Mathematics, 10.06.2020 17:57 kenziepickup
A study was conducted to determine if the salaries of librarians from two neighboring cities were equal. A sample of 15 librarians from each city was randomly selected. The mean from the first city was $28,900 with a standard deviation of $2300. The mean from the second city was $30,300 with a standard deviation of $2100. Construct a 95% confidence interval for u1 -u2.
a) (-4081, 597)
b) (-2054, 238)
c) (-2871, 567)
d) (-3125, 325)
Answers: 2
Mathematics, 21.06.2019 16:30
Anyone know? is appreciated! will mark brainliest if correct!
Answers: 2
Mathematics, 21.06.2019 17:00
You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?
Answers: 1
A study was conducted to determine if the salaries of librarians from two neighboring cities were eq...
History, 30.07.2021 20:30
Mathematics, 30.07.2021 20:30
Mathematics, 30.07.2021 20:30
Physics, 30.07.2021 20:30
Geography, 30.07.2021 20:30
Mathematics, 30.07.2021 20:30
English, 30.07.2021 20:30