A random sample of 30 NBA games was taken from last season. The mean points scored for the winning team is 115 for NBA with a standard deviation of 9.5 points. Two seasons ago, the average was 110 points per game. Is there convincing evidence that mean points scored for a winning NBA team last season is greater than 2 seasons ago?
Define the parameter of interest for this test.
\mu=μ=
State appropriate hypotheses for this test.
Find the standard error of the sampling distribution. Round to the nearest tenth
Check that the 10% condition is met.
Check that the Normal conditions are met.
Is the sampling distribution approximately Normal?
What is the test statistic for this significance test? Round to the nearest hundredth.
What is the P-Value for this test statistic? (Stapplet) Round to the nearest thousandth.