Mathematics, 16.03.2022 14:00 lalllda
A researcher collated data on Americans’ 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? -3. 87 -0. 26 3. 23 5. 22.
Answers: 1
Mathematics, 22.06.2019 02:00
The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?
Answers: 3
Mathematics, 22.06.2019 03:00
Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!
Answers: 3
Mathematics, 22.06.2019 03:10
(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone
Answers: 1
A researcher collated data on Americans’ leisure time activities. She found the mean number of hours...
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Chemistry, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40
Mathematics, 04.11.2020 21:40