Researchers compared two groups of competitive rowers: a group of skilled rowers and a group of novices. The researchers measured the angular velocity of each subject’s right knee, which describes the...


Researchers compared two groups of competitive rowers: a group of skilled rowers and a group of novices. The researchers measured the angular velocity of each subject’s right knee, which describes the rate at which the knee joint opens as the legs push the body back on the sliding seat. The sample size ?, the sample mean, and the sample standard deviation for the two groups are given below.

























Group


Ns

Skilled



16



4.2



0.6



Novice



16



3.2



0.8




  1. Construct the 99% confidence interval for the difference between the groups. How does this confidence interval relate to the conclusion of your test?



Jun 02, 2022
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