Question: Assuming that the population is normally distributed, construct a 99% confidence interval for the population mean, based on the following sample size of n=8. 1,

Assuming that the population is normally distributed, construct a

99% confidence interval for the population mean, based on the following sample size of n=8.

1, 2, 3, 4, 5, 6, 7, and 19

Change the number 19 to 8 and recalculate the confidence interval. Using these results, describe the effect of an outlier (that is, an extreme value) on the confidence interval.

Question content area bottom part 1

Find a

99% confidence interval for the population mean, using the formula or calculator.

enter your response here

(Round to two decimal places as needed.)

Change the number 19 to 8. Find a 99% confidence interval for the population mean, using the formula or calculator.

enter your response here

(Round to two decimal places as needed.)

What is the effect of an outlier on the confidence interval?

The presence of an outlier in the original data decreases the value of the sample mean and greatly inflates the sample standard deviation, widening the confidence interval.

The presence of an outlier in the original data increases the value of the sample mean and greatly decreases the sample standard deviation, narrowing the confidence interval.

The presence of an outlier in the original data increases the value of the sample mean and greatly inflates the sample standard deviation, widening the confidence interval.

The presence of an outlier in the original data decreases the value of the sample mean and greatly decreases the sample standard deviation, narrowing the confidence interval.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock 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

Students Have Also Explored These Related Mathematics Questions!

is this correct?: The demographics of the surveyed population indicate a diverse range of teaching experience and educational levels among the respondents. In terms of teaching experience, 14% of...

Discuss which organizational structure (i.e. functional, product-market divisional, matrix) you would recommend Guelph General Hospital implement, assuming the hospital moves forward with the...

Question 1 and Question 2 use different variables. For each question, you can find a description of the indicated variable on this Weight IAT Question 1) Your assigned variable is Prefers . Please...

Peter's Audio Shop has a cost of debt of 7%, a cost of equity of 11%, and a cost of preferred stock of 8%. The firm has 104,000 shares of common stock outstanding at a market price of $20 a share....

Determine the effects of a decrease in the population growth rate on the golden rule quantity of capital per worker and on the golden rule savings rate. Explain your results.

True or False: When repaying a loan with equal monthly payments, the amount of interest and the amount of principal in a loan payment remain proportionally the same over the loan period.

Outline Montaignes skeptical arguments. Why was Montaignes skepticism important to the development of science?

The financial statements of Marks and Spencer plc (M&S) are available at the books companion website or can be accessed at corporate.marksandspencer....

A capital investment project requires an investment of $50,000 and has an expected life of 4 years. Ignore tax. Annual cash flows at the end of each year are as follows: Year 1 2 Amount in $ 15,000...

The following transactions for Habari Company occurred during January2017: Jan 1 Purchased atwo-year insurance policy forcash, $8,400. Jan 4 Paid utilities bill that was received in December2015,...

Our company makes and sells cell-phone sanitizer units. Cell phones are inserted inside the units and bathed in UV-C ultraviolet light that eliminates 99.9% of bacteria and viruses in approximately...

Suppose that a student suffering from migraine has a medical history that indicates the following probabilities. The probability that you will have a migraine in one day is 25%. If she has a migraine...

9. Your neighbor who has a job says, "I am having heart surgery in two months." When does your neighbor have to tell the employer about the surgery?

A group from the class in the previous question has identified a bug in their code that will take a minimum of 16 tasks T = {t1...t16} to resolve. How many ways are there to assign the tasks if (5...

During a heavy storm, lightning struck an office building that houses the data center of a small accounting firm. The lightning caused a fire that interrupted the electricity supply to the building...

Which of the following is NOT an image format to store photos?Select one:a . JPGb . JPEGc.MP 3 d . TIFF

7. FALSE DILEMMA 8. GANDWAGON Definition: Fallacy example: How to revise argument: Definition: Fallacy example: How to revise argument:

Use a microphone if you need one and one is available. Be sure to rehearse with it.

When you deliver a manuscript speech, try to look at an entire sentence at a time so that you can maintain eye contact with your audience as you deliver the sentence.

Be aware of your speaking rate, and adjust it if necessary.