SOLUTION: A recent national survey found that high school students watched an average (mean) of 7.3 DVDs per month with a population standard deviation of .50 hours. A random sample of 40 co

Algebra ->  Probability-and-statistics -> SOLUTION: A recent national survey found that high school students watched an average (mean) of 7.3 DVDs per month with a population standard deviation of .50 hours. A random sample of 40 co      Log On


   



Question 596028: A recent national survey found that high school students watched an average (mean) of 7.3 DVDs per month with a population standard deviation of .50 hours. A random sample of 40 college students revealed that the mean number of DVDs watched last month was 6.60. At the .05 significance level, can we conclude that college students watch fewer DVDs a month than high school students and Compute the value of the test statistic ?
(I can't find the test statistic part)

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Test Statistic:




















So the test statistic is approximately