The mean height of adult women is 63.6 inches with a standard deviation of 2.5 inches. Forty (40) women were asked their height and the mean as calculated to be 61.8 inches.
Test the hypothesis that the mean is less than 63.6 at the .05 significance level.
Fill in the blanks below:
Critical Value CV =
Test Statistic Z =
p-value =
Confidence Interval =
Reject Ho __________
Do not reject Ho _______________