Explain what is needed to perform each test
Describe the Z and T Test for comparing differences between means, Explain what is needed to perform each test, the process for each test, and what the results will tell a researcher.
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An 83 g arrow is fired from a bow whose string exerts an average force of 95 N on the arrow over a distance of 81 cm. What is the speed of the arrow as it leaves the bow?
If it takes a fish 0.20s to perform evasive action, ? Assume the fish is at the surface of the water.at what minimum height must it spot the pelican to escape
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. At what average rate does the force from the cable do work on the cab?
What term describes the layer of partly decayed plant matter at the top of the soil profile in most forested areas?
A 4.5kg dog stands on an 18 kg flatboat at distance D=6.1m from the shore. It walks 2.4m along the boat toward shore and the nstops Assuming no friction between the boat and the water, find how far the dog is then from the shore.
What are some of the ways groups of people are identified? Why do people label and group other people?
To get the top spinning, its string is pulled with a tension of 0.30. How long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A baseball is hit with a speed of 30.0 ms-1 at an angle of 40.0 degrees. It land`s on the flat roof of a nearby building with a height of 14m. If the ball was hit when it was 1.4 m above the ground, what horizontal distance does it travel before
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