This topic contains a solution. Click here to go to the answer

Author Question: A population mean is to be estimated from the sample described. Round your answer to one decimal ... (Read 52 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520

Question 1

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 256, sample mean = 40, sample standard deviation = 13
What is the 95% confidence interval for the population mean?
◦ 38.4 < μ < 41.6
◦ 8 < μ < 18
◦ 39.2 < μ < 40.8
◦ 39.9 < μ < 40.1

Question 2

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 2500, sample mean = 223, sample standard deviation = 96
What is the 95% confidence interval for the population mean?
◦ 87.1 < μ < 104.9
◦ 222.9 < μ < 223.1
◦ 219.2 < μ < 226.8
◦ 221.1 < μ < 224.9


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tsand2 on Jan 18, 2020

duke02

  • Sr. Member
  • ****
  • Posts: 312
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




tsand2

  • Member
  • Posts: 520
Reply 2 on: Jan 18, 2020
Great answer, keep it coming :)


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library