Question: Construct an 80% confidence interval for the difference between two population means using the sample data below that have been selected from normally distributed populations

Construct an 80% confidence interval for the difference between two population means using the sample data below that have been selected from normally distributed populations with different population variances.

sample 1 370 ,382,406,461,386,449,376,430,341,351,429,416

sample 2 400, 370,356,338,329,280,362,296,317,313,437,432

The 80% confidence interval is

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!

Please see this picture to solve my quiz its urgent so do fast 9:57 AM | 1.3KB/s * Q B .ill .alll 97 Q2: Construct a 95% percent confidence interval for the difference between two population means...

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...

1. (B) 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...

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...

Please help me with questions 2, 5, and 6 Page 1 of 4 ZOOM 2. (20 points) A gardener sets up a flower stand in a busy business district and sells bouquets of assorted fresh flowers on weekdays. To...

20. Construct the indicated confidence interval for the difference between two population means. Assume that the two samples are independent simple random samples selected from normally distributed...

In a hatch chemical process, two catalysts arc being compared for their effect on the output of the process reaction. A sample of 12 batches was prepared using catalyst 1 and a sample of 10 batches...

Kaimura et al. (2000) investigated the effects of procyanidin B-2 tonic on human hair growth after sequential use for 6 months 3. In one part of the study, the total hair increase (total hairs at...

What are some benefits to a business in accepting credit cards and debit cards?

Assume a normal distribution for age. The average age of your sample is 20, with a standard deviation of 10. Using the right-tail z-score table, what is the probability of selecting someone age 45 or...

Which of the following is the proper syntax for displaying the name of the month? date + % j date + % V date + % B date + % A

1) If you were the President/CEO of HP (or Canon) Printer Division, what would be your true strategy regarding increasing revenues in that Division? Is it selling more printers? Is there a grander...

7. Think of a situation where you felt that you mastered the situation, i.e. where you had a positive feeling of completing the task you were to perform. A. Now develop a picture in your imaginary...

6. Think of something that you believe in, without the slightest doubt attached to it. How do you imagine this? Is it verbal, in rumours, in metaphors or the like? The answer says something about how...

Do not move closer than an arms distance. (This distance literally applies to Northern Europe. In Southern Europe this distance is slightly smaller.) If you get closer than this distance, you seem...