subject
Mathematics, 27.11.2019 23:31 pikachu4111

Astudy carried out by nielsen/ net ratings in the last august 2001 indicated that the average number of internet sessions at home per month was 34. in the following september, they conducted a study and recorded the number of internet sessions at home for a random sample of 100 internet users. the average number of internet sessions was 32 with standard deviation equal to 4.5. compute a statistical test to determine if the number of internet sessions decreased from august to september? show workings and interpret your answer in simple english. a. write down the test hypotheses, the test statistic and the p-value.
b. what conclusions can you draw?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β
Answers: 2
question
Mathematics, 21.06.2019 16:30
Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25
Answers: 2
question
Mathematics, 21.06.2019 20:30
What is the slope of the line shown below?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?
Answers: 2
You know the right answer?
Astudy carried out by nielsen/ net ratings in the last august 2001 indicated that the average number...
Questions
question
Mathematics, 03.07.2019 07:30
Questions on the website: 13722359