Mathematics, 06.06.2020 17:59 alyssacruz999
A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below.
Men Sample size-25 Sample mean-20 Population standard deviation-5
Women Sample size-30 Sample mean-30 Population standard deviation-10
At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the value of the test statistic for this hypothesis test?
1. 2.668
2. 2.672
3. 2.58
4. 2.40
Answers: 1
Mathematics, 22.06.2019 01:50
Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).
Answers: 1
Mathematics, 22.06.2019 04:00
Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill
Answers: 1
Mathematics, 22.06.2019 04:30
How many zeroes do we write when we write all the integers 1 to 243 in base 3?
Answers: 1
A recent study focused on the number of times men and women send a Twitter message in a day. The inf...
Mathematics, 30.09.2021 21:40
Mathematics, 30.09.2021 21:40
Biology, 30.09.2021 21:50
History, 30.09.2021 21:50
English, 30.09.2021 21:50
Chemistry, 30.09.2021 21:50
Computers and Technology, 30.09.2021 21:50
Mathematics, 30.09.2021 21:50
English, 30.09.2021 21:50
Mathematics, 30.09.2021 21:50