Question: Use the following sample information to construct a 90% confidence interval for the difference in the two population means. Sample 1 ...Sample 2 n1 =

Use the following sample information to construct a 90% confidence interval for the difference in the two population means.

Sample 1 ...Sample 2

n1 = 32 ..... n2 = 31

x̄1 = 70.4 ...x̄2 = 68.7

σ21 = 5.76 .... σ22 = 6.1


Step by Step Solution

★★★★★

3.24 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Sample 1 Sample 2 n 1 32 n 2 31 x 1 704 ... 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

409-M-S-O-T-P (605).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Q:

A 95% confidence interval for a difference in means 1 2 if the samples have n 1 = 100 with x 1 = 256 and s = 51 and n 2 = 120 with x = 242 and s = 47, and the standard error is SE = 6.70 Find the...

Q:

Construct a 95% percent confidence interval for the difference between two population means using the following sample data that have been selected from normally distributed populations with...

Q:

A 95% confidence interval for a difference in proportions p 1 p 2 if the samples have n 1 = 50 with p 1 = 0.68 and n 2 = 80 with p 2 = 0.61, and the standard error is SE = 0.085 Find the indicated...

Q:

Use the following sample information to construct a 90% confidence interval for the difference in the two populationmeans. Sample Sample 2 32 = 70.4 1231 68.7 i = 5.76 . = 6.1

Q:

- 12.5 E View Policies Current Attempt in Progress Use the following sample information to construct a 90% confidence interval for the difference in the two population means. Sample 1 Sample 2 n1 =...

Q:

Use the following sample information to construct a 90% confidence interval for the difference in the two population means. What is the upper value of the interval? (Round your answer to 2 decimal...

Q:

Use the following sample information to construct a 90% confidence interval for the difference in the two population means. Sample 1 n = 32 = 70.4 = 5.76 Sample 2 11 = 31 x-68.7 = 6.1

Q:

5 QUESTIONS The retail price of a mediumsized box of a well-known brand of cornflakes ranges from 13 to 7.5. Assume these prices are uniformly distributed. What are the average price and standard...

Q:

Use the data given to test the following hypotheses Ho:=25 Ha: 25 x=32.0,=9.4,n=56 and=0.05. Determine the critical valuezcand z score valuezbased on the sample data. The critical valuezc= The z...

Q:

I need both upper confidence limit and lower confidence limit of the data provided. Use the following sample information to construct a 98% confidence interval for the difference in the two...

Q:

Suppose that GM and Ford are each considering whether or not to build a new factory to expand car production. The table below shows the profits that each firm makes depending on their decisions about...

Q:

What is PL/SQL, Why do we need PL/SQL instead of SQL, Describe your experience working with PLSQL and What are the difficulties faced while working with PL SQL and How did you overcome them?

Q:

Frank and his daughter, Joan, own and operate a gravel pit. Frank is age 5 5 and hopes to retire when he reaches age 6 5 . Joan is age 3 3 and plans to continue operating the business after Frank...

Q:

Fitness for use means: a. the product or service needs to satisfy the real needs b. category for products having same use but different characteristics c. conformance to requirements d. the project...

Q:

According to The Polk Company, a survey of households using the Internet to buy or lease cars reported that 81% were seeking information about prices. In addition, 44% were seeking information about...

Q:

It has been reported that the mean western Canadian production of wheat and durum over a 10-year period was 22.45-million tonnes. Assume that the Canadian production of wheat over this period has...

Q:

According to Statistics Canada, about 71% of commuters in Canada drive to work. Suppose 150 Canadian commuters are randomly sampled. a. What is the probability that fewer than 105 commuters drive to...

Q:

1._______ estimate is a single value estimate for a population parameter. 2._______ estimate is a range of values to estimate a population parameter. 3.It is the probability that the interval...

Q:

A stock has a required return of 12%, the risk-free rate is 3%, and the market risk premium is 3%. a. What is the stock's beta? Round your answer to two decimal places. two decimal places. I. If the...

Q:

Aquilera, Inc., has sales of $ 1 8 . 8 million, total assets of $ 1 3 . 8 million, and total debt of $ 4 . 6 million. The profit margin is 1 1 percent. What is the company's net income? ( Enter your...