How To: Find the mean and standard deviation
Mean and standard (or normal) deviation may be hard to understand at first, but with the help of this handy little guide from the pros at Exam Solutions you will be up to speed in no time.
Mean and standard (or normal) deviation may be hard to understand at first, but with the help of this handy little guide from the pros at Exam Solutions you will be up to speed in no time.
We next discuss trimming regular hedges. Most people just want a hedge that's tidy and neat, one that performs a function of blocking a view. We discuss some newly planted Boxwoods. Glenn planted these several months ago and wants to keep these low growing, about the height of the wall behind them. When the new growth starts to come up and the plant has reached its desired height, he prunes them. Glenn leaves an open space between the plant and the wall, this allows for good air circulation, ...
In this video, we learn how to get the perfect shooting arc in basketball. When you are shooting, the arc is how you will get the ball into the hoop. You should first know the size of the basketball and basket in relation to how far away you are from the basket. Make sure the ball is going to reach the apex on its arc so it can reach the basket easiest. You will need to pay attention to the height of the basket so you know how angled your feet need to be when you are shooting. After you have ...
In this tutorial, we learn how to Phantom flip in Halo 3. First you will start up Sierra 117 with two people. Once you reach the point where you are in a tunnel, go through until you go past the fifth row and start to shoot what you see. Now, have someone jump in the phantom while the other grabs the turret. After you do this, you will grab the phantom and be launched into the air. When you do this, you will be able to do a phantom flip and reach new heights! This is easy to do and can take a...
Katya Meyers, professional Ironman triathlete offers some cycling tips in this how-to video. Learn how to find a proper seat height, reach, and pedal stroke. Watch this video cycling tutorial and learn how to pedal like a pro.
Peugeot 308 (2015 Europe model) in depth instructional video how to adjust seat and steering wheel reach and height so you can see the "head-up"instrument panel clearly, over the reduced diameter steering wheel.
Are you looking for a fun way to keep track as your child gets taller? Learn how to make a children’s height measuring board in this free crafts video series.
Ever wonder how to measure the height of a building, without using a tape measure? Well, this crazy science experiment will show you how. Just watch and you'll see how to measure the height of a building with a CRT monitor, gravity and math.
The video teaches the viewer how to find the area of a parallelogram and the area of a triangle. For a parallelogram, the first step is to find the right angle, the line perpendicular to the base (this is a line you draw, not part of the parallelogram). The height of the line that forms this right angle with the base is the perpendicular height. Next, find the length of the base. The area is the base times the height. For a triangle, find the right angle with the base (again a line you draw)....
RC Car Action Magazine Editor Kevin Hetmanski shows you how to adjust ride height on your buggy. The height can be changed by adjusting the shocks. Watch this video tutorial and learn how to adjust the ride height on an RC car.
In this video, we learn how to play the main themes from "Lord of the Rings". The first strings will be E, B, G, D, A, and E. Play this riff going from high to low as you play each one. Start out slow so you can better hear how each of the chords sounds as you play. The next riff will be: E, B, G, D, A, and E. Play this slowly as well, then play the first along with it, making sure to change the height in the chords to hear the difference between the first and second chord. Continue playing e...
In this video, we learn how to do parkour rolls. You will first drop to your right knee then reach your left arm through the right leg. Make sure you are tucking in and you're in a rolling position while you're doing this. Make sure you practice it from different heights so you don't get injured. Also make sure you are wearing supportive shoes and you are on grass so your joints don't get injured. If this starts to hurt your knees or back, it's not recommended to do this at all. Once you've g...
Using a Strat guitar since it has a basic type of string system, this demonstrator shows how to properly adjust the string height of a guitar. In order to do this, one must use an Allen wrench screw or a screwdriver for each saddle, a flathead screwdriver, and a 64th ruler. The viewer is given an example of a height that could be used for a solo guitar. It is important to measure the distance you want correctly by measuring from the top of the fret, not the fretboard to the string. This video...
Math always seems hardest until someone shows you how to do the problem and then it all seems just so simple. This video will walk you through the process of finding the surface area of a cone when you also have to derive the slant height. Use this example to help with your other cone problems.
In this tutorial, we learn how to grow healthy and productive fruit trees. Pest management is an issue with growing plats, so use something that can grow in a small area. Only use disease resistant varieties of trees, so you won't lose any while they are growing. You can grow some trees in a small area so they maintain in their space and they are very active. Make sure you prune the trees once they reach a certain heights and you remove any pests that are around. Use these tips to grow health...
In this tutorial, we learn how to release point in basketball with Tom. If you hesitate or hang, you will lose power in your legs and your ball will go short and flat. When you reach the top of your jump you will want to release your ball to get the most height out of it. When shooting the jump shot, pay attention to what it feels like when you are going to shoot. You want to feel powered up not effortless or underpowered when you are shooting. Time your release and make sure you have a high ...
This tutorial describes the method to calculate the area of a triangle and a parallelogram To calculate the area of a triangle:
Active Expert Gale Bernhardt explains the importance of seat height with this instructional cycling video. It's critical for you as a cyclist to have your bike fit to you. Setting the seat height just right has minimal motion, or quiet hips. A seat height that is correct for you minimizes injury and maximizes power output on the bike. So learn how to set the correct seat height on your bike with this cycling tutorial video.
Learn how to do diagonal down, side and diagonal up cable chops. Presented by Real Jock Gay Fitness Health & Life.
In this tutorial, we learn how to use height change in tango. This will combine many elements of tango to change height deliberately for function and style. You do not want to change your weight and height without knowing it, because it can change how you dance and make it look completely different. Pay attention to your body and how your feet are placed on the ground. If your body weight is shifted too much to one foot it can change how you are dancing and the height of your overall self. Us...
Trim down your water bill and do the planet a favor by adjusting the water height in your toilet tank. The Fluidmaster's float cup on the fill valve can easily be adjusted to set water height in the cistern, just by fine-tuning the water level adjustment clip. This process is very similar for regular fill valves, too, with float balls instead of float cups. All you need to do is hit the sweet spot—the lowest water height needed to properly flush the toilet.
In this video, we learn how to find the area of a trapezoid. The formula to figure out how to find the answer is: Area= 1/2x (base1 x base2) x height. Now, find the bases and the height of the trapezoid. Remember that the height must always be perpendicular to the bases. Once you have found these, add the bases and multiply by the height. You can use a calculator to do this or do it off hand if you're good with math. For the third step, divide the answer by 2 and then write down the answers w...
Calculating The Area Of A Parallelogram A parallelogram is a 4-sided shape formed by two pairs of parallel lines. Opposite sides are equal in length and opposite angles are equal in measure. To find the area of a parallelogram, multiply the base by the height. The formula is:
How do you know if you should lose weight is a question people often ask. For the most part the need for weight loss should be determined by how you feel in your own body. There are some calculations that doctors use to determine if you need to lose weight. One of those calculations is BMI or Body Mass Index. BMI is based upon a fairly difficult equation. BMI is figured by multiplying your weight by 703 then dividing by your height squared. A body mass index over 25 is considered overweight. ...
Check out this instructional RV video that demonstrates how to use the patio awning on your recreational vehicle. Check on these routinely: the lift handle (make sure that the spring is working correctly), and a knob on the back that loosens up the inner arm, and the locking mechanism (which is located on both the front and back arm). Go ahead and open up the awning by taking your awning rod and reach up to the top and unlock it which is always located on the front and none in the back. Then ...
Learn how to use a medicine ball to do power snatch to toss ups for height. Presented by Real Jock Gay Fitness Health & Life.
Area of a triangle can be calculated when you have the length of its base and height. In this case the area is 1/2 times the base and its height. If you do not know the height of the triangle but know the lengths of all the sides of the triangle then you can calculate its area using the Herons formula. First to use it you need to computer the semi perimeter of the triangle S, which is S = (a + b + c)/2, where a, b, c are the lengths of the sides of the triangle. Now the area of the triangle i...
Step by step directions for finding the height of a trapezoid. Video: .
In this video, we learn how to find the surface area of a prism using a specific example. First you will need to find the base and height of your prism. If the base edge is 6 and the height is 8 you will do the equation Area= 1/2 bh. Doing this math out on your calculator, you will get the answer of 12.39. This is what the size of each triangle in the prism is going to be. The area of one pentagon (or the base) is 61.92 inches squared. If you need help with this, you can try drawing the pictu...
A pyramid is a three dimensional figure with the base in the form of a triangle and three slant sides to it. To find the surface area of a pyramid you have to find the area of the different pieces that make it up. The pyramid base can be triangle or even other geometric figure like pentagon. So first draw the base of the pyramid separately and compute its area first. Now compute the area of each sides separately. The area of each side can be same if the pyramid is a regular pyramid. Some time...
In this video tutorial, we learn how to perform the "Infinity Mirror" magic trick. For more information about the trick and its execution, including detailed, step-by-step instructions, and to get started incorporating this trick into your own routines, watch this free video magic lesson.
In this video, we learn how to use a protractor to measure the height of any object. First, attach a level to the protractor, followed by a straw at the 45 degree angle. Next, walk back form the object while looking through the straw. Keep walking back until you spot the top of the object through the straw, then measure to the base of the object. After this, you will have an isosceles triangle that has two equal sides. Use these sides to help find what the size of the object is. After this, a...
Need to know how to calculate the height and volume of a pyramid in geometry? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
This video shows the method to find the volume of a cube, cylinder, pyramid or cone. Volume is equal to the multiple of the area of the base and the height or V=(base area)(height). Starting with the cube, the volume= [(side)(side)](side) or side cube or side^3. In the video side=50m or V=125000 cubic centimeter. Volume of the cylinder= [(pi){(radius of base)^2}](height of cylinder) or V=(pi)(r^2)(h). Substituting the values, V=pi(2^2)(4) cubic inches or 16pi cubic inches. Volume of a pyramid...
This is a very interesting instructional video on how to fill a cone. Pour oil into a cone of diameter 30 inches and depth 40 inches. Now find the volume of the oil as a function of its depth. Volume = 1 over 3 phi rsquare h. We don't know the height and depth of the oil poured into the cube. Draw similar right angled triangles. In one right angled triangle the height is 40 inches and in the other triangle it is h. Similarly the height is 40 inches and h respectively. Now rover h =15 over 40....
This video shows you how to easily find the area of a parallelogram and the area of a triangle. The first part of the video teaches you how to find the area of a paralellogram. The area of a parallelogram is BxH, where B is the base and H is the height. The height is obtained by drawing a perpendicular line from one corner to the base. The second part of the video teaches you how to find the area of a triangle. The area of a triangle is (BxH)/2, where B is the base and H is the height. That's...
In this tutorial the author shows how to draw a rectangle with given base b and height h values. First she uses a ruler to draw a horizontal base line of b cm. Now she uses a protractor and marks a 90 degree angle at one end of the line, then draws a straight line of h cm which is the height of the rectangle. Now she finishes the remaining part of the rectangle by drawing similar lines of the other sides. This video clearly explains how to draw a rectangle given the values of its base and hei...
Learn how to take advantage of a psychological defect humans have regarding the height and circumference of a pint glass.
We’re all born with a little acrophobia, or fear of heights. But when a healthy fear turns into crippling anxiety, it’s time to get help. This video provides different options in solving this problem.
Aspiring singers can learn how to sing high notes with vocal coach Robert Burnley. When you attain an extended range, your vocal chords will stay in place and then your chords will thin, shorten, or dampen allowing you to reach higher notes. This is what occurs physically when you are reaching higher notes. The key is to have the mentality that you are allowing your vocal chords to get thinner or shorter to reach those higher notes. Part of the struggle is not having the right mindset that yo...