A sports team compared two versions of a basketball (denoted asJ and K) with respect to the time it takes to reach the hoop whenthrown. They randomly selected 100 basketball players, and thenthey randomly assigned 50 to each basketball version. Basketball Jhas a sample mean of 209 and an SD of 37, while Basketball K has asample mean of 225 and an SD of 41. It is known that the populationvariances are equal.
The sports team wants to know if there’s a significantdifference between the two basketball versions with regards to themean time they take to reach the hoop. To answer this, compute a95% confidence interval for the difference in the mean time for thetwo basketball versions (J and K), and state hypothesis andconclusion
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