Refer to part c in the previous exercise a Show that a 99 confidence interval is (10 0, 16 2) b Explain why this interval is wider than the 95 confidence interval Previous exercise c Calculate the 95 confidence interval comparing the population means for women and men Interpret the result including...

a The 99 confidence interval is x 1 x 2 t 005 se 330 199 25812 ...

Refer to part c in the previous exercise. a. Show that a 99% confidence interval is (10.0,

Question:

Refer to part c in the previous exercise.
a. Show that a 99% confidence interval is (10.0, 16.2).
b. Explain why this interval is wider than the 95% confidence interval.

Housework Hours Mean Standard Deviation Gender Sample Size Women Men 476 496 33.0 19.9 21.9 14.6

Previous exercise

c. Calculate the 95% confidence interval comparing the population means for women and men. Interpret the result including the relevance of 0 being within the interval or not.