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3 Questions returned
No. & Date AskedQuestion
# 853 :: 3/6/10
Question 853 has been Answered
A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. The information is summarized below. Stat. . .

2-sample z-test

# 814 :: 10/4/09
Question 814 has been Answered
in a school how is ztest used in time table ... one group that studies 7 periods a day of 45 mins each class and the other group can choose semester w. . .

2-sample z-test, 2-sample t-test

# 555 :: 12/14/08
Question 555 has been Answered
Complete the following: a. Select a variable. Compare the mean of the variable for a sample of 30 for one group with the mean of the variable for a . . .

2-sample t-test, 2-proportion test, 2-sample z-test, z-test