Question: assume there is a sample n1=4, with the sample mean of 44 and a sample SD of 2. there is an independent sample of n2=9

assume there is a sample n1=4, with the sample mean of 44 and a sample SD of 2. there is an independent sample of n2=9 from another population with a sample mean of 38 and a sample SD of 5. in performing the pooled variance t test, how many degrees of freedom are there?

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!

This question: 1 point(s) possible A college entrance exam company determined that a score of 22 on the mathematics portion of the exam suggests that a student is ready for college level mathematics....

A college entrance exam company determined that a score of 23 on the mathematics portion of the exam suggests that a student is ready for college-level mathematics. To achieve this goal, the company...

K A college entrance exam company determined that a score of 25 on the mathematics portion of the exam suggests that a student is ready for college-level mathematics. To achieve this goal, the...

4-Resting Heart Rate 72 88 71 87 64 77 79 59 77 68 78 89 91 81 85 75 69 12 -Smoking Status Non-Smokers Non-Smokers Non-Smokers Non-Smokers Non-Smokers Smokers Smokers Smokers Smokers Smokers Quitters...

1. BST 322 Week 2 Assignment What is the probability of rolling a four in the gambling dice game of craps (given two six sided dice)? Simple Prob. Hint: how many ways can you roll a 4 with 2 dice:...

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

In a study that compared two different medications for the treatment of allergic rhinitis, each patient was asked to rank his or her severity of symptoms on a scale of 0 to 4 (0= none, 1= mild, 2 =...

Question 26 1 pts A researcher determines that students study an average of 80 and SD of 20 minutes per week. Assuming these data are normally distributed, what is the z score for students studying...

MS1023 Business Statistics w/Comp Apps I Homework #3B - Use Red Par Score Form Chps. 9 & 10: 100 Questions 1. A null hypothesis must always include the equality sign. a) True b) False 2. If the...

Ndlovu the CEO and sole shareholder of Trade Queens limited who's turnover is below K800 000.00 current threshold pa, and is fully incorporated in Zambia. During the tax year 2021, Trade Queens...

A number of publicly traded firms pay no dividends yet investors are willing to buy shares in these firms. How is this possible? Does this violate our basic principle of stock valuation? Explain.

A diversified company can add value by shifting capital from business units generating free cash flow to those needing capital to grow by having a strong Blank _ _ _ _ _ _ . Multiple choice question....

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...