Question: a. The mean and standard deviation of a sample of 100 is x = 1500 and s = 300. Estimate the population mean with 95%

a. The mean and standard deviation of a sample of 100 is x̄ = 1500 and s = 300. Estimate the population mean with 95% confidence.

b. Repeat part (a) with s = 200.

c. Repeat part (a) with s = 100.

d. Discuss the effect on the confidence interval estimate of decreasing the standard deviation s.


Step by Step Solution

★★★★★

3.44 Rating (160 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a 1500 1984300100 1500 5952 LCL 144048 ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

398-M-S-O-T-P (2).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Q:

The mean and standard deviation of a sample may change if data are rescaled (for instance, temperature changed from Fahrenheit to Celsius). For a sample with mean, adding a constant c to each...

Q:

The accompanying table gives the mean and standard deviation of reaction times (in seconds) for each of two different stimuli: If your reaction time is 4.2 seconds for the first stimulus and 1.8...

Q:

The accompanying table gives the mean and standard deviation of reaction times (in seconds) for each of two different stimuli: Suppose your reaction time is 4.2 seconds for the first stimulus and 1.8...

Q:

a. The mean and standard deviation of a sample of 100 is x = 1500 and s = 300. Estimate the population mean with 95% confidence. b. Repeat part (a) with s = 200. c. Repeat part (a) with s = 100. d....

Q:

a. The mean and standard deviation of a sample of 100 is and s 300. Estimate the population mean with 95% confidence. b. Repeat part (a) with s 200. c. Repeat part (a) with s 100. d. Discuss the...

Q:

a. The mean and standard deviation of a sample of 100 are = 10 ands= 1. Estimate the population mean with 95% confidence. b. Repeat part (a) with s = 4. c. Repeat part (a) with s = 10. d. Discuss the...

Q:

------

Q:

a. The mean and standard deviation of a sample of 100 are x = 10 and s = 1. Estimate the population mean with 95% confidence. b. Repeat part (a) with s = 4. c. Repeat part (a) with s = 10. d. Discuss...

Q:

mathematics Overtime Hours Worked A random sample of 18 registered nurses in a large hospital showed that they worked on average 43.8 hours per week. The standard deviation of the sample was 2.1....

Q:

mathematics Overtime Hours Worked A random sample of 18 registered nurses in a large hospital showed that they worked on average 43.8 hours per week. The standard deviation of the sample was 2.1....

Q:

An IT manager gets complaints from users that there is an excessive delay in response over the Ethernet LAN. The manager suspects that the cause of the problem is excessive collisions on the LAN and...

Q:

Explain the role of the PCAOB.

Q:

Critically assess the argument that economic globalization is primarily a political project.

Q:

Describe the five sources of a leaders power.

Q:

According to a Johns Hopkins University study published in the American Journal of Public Health, widows live longer than widowers. Consider the following survival data collected on 100 widows and...

Q:

The following responses concerning the standard of living at the time of an independent opinion poll of 1000 households versus one year earlier seems to be in agreement with the results of a study...

Q:

A survey was conducted in Indiana, Kentucky, and Ohio to determine the attitude of voters concerning school busing. A poll of 200 voters from each of these states yielded the following results. At...

Q:

homework 8.4 The piston diameter of a certain hand pump is 0.5 inch. The manager determines that the diameters are normally distributed, with a mean of 0.5 inch and a standard deviation of 0.003...

Q:

Question 2 : Plot the 2-D Gaussian as well as the contour map (i.e., projection of this Gaussian on the x-y plane) with the following covariance characteristics. From the plots, elaborate on the...

Q:

Please answer the questions correctly and and show clear and easy explained detailed workings explaining steps. Please really make sure its correct. 24. What will be the output of the following code?...