Mathematics, 30.01.2020 00:56, asteinberg6975
Aresearcher collated data on americansâ leisure time activities. she found the mean number of hours spent watching television each weekday to be 2.7 hours with a standard deviation of 0.4 hours. jonathan believes that his football team buddies watch less television than the average american. he gathered data from 15 football teammates and found the mean to be 2.3. which of the following shows the correct z-statistic for this situation?
a. -3.87
b. -0.26
c. 3.22
d. 5.22
Answers: 3
Mathematics, 21.06.2019 19:30, tsmalls70988
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
Answers: 1
Mathematics, 21.06.2019 20:30, jonmorton159
Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible
Answers: 1
Mathematics, 22.06.2019 00:10, juliapreciiado
Hello, i need compare km^2 and km. what's difference in this?
Answers: 2
Aresearcher collated data on americansâ leisure time activities. she found the mean number of hours...
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