Mathematics, 22.06.2019 04:30 RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
Mathematics, 21.06.2019 19:00
An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .
Answers: 1
Mathematics, 21.06.2019 20:00
Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'
Answers: 1
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the s...
Physics, 23.10.2019 15:00
Social Studies, 23.10.2019 15:00
History, 23.10.2019 15:00
Mathematics, 23.10.2019 15:00
Mathematics, 23.10.2019 15:00
Chemistry, 23.10.2019 15:00
Biology, 23.10.2019 15:00
Biology, 23.10.2019 15:00
History, 23.10.2019 15:00
Mathematics, 23.10.2019 15:00
Chemistry, 23.10.2019 15:00
English, 23.10.2019 15:00
Mathematics, 23.10.2019 15:00
Social Studies, 23.10.2019 15:00
Chemistry, 23.10.2019 15:00
Mathematics, 23.10.2019 15:00