What is an unpaired t-test

Assignment Help Basic Statistics

Reference no: EM131808612

Question: a. What is an unpaired t-test?

b. Identify the two hypotheses involved in an unpaired t-test.

c. What is the "independence" requirement? Give a concrete example.

d. How is an unpaired t-test similar to and different from an ordinary t-test for just one sample?

e. When is each standard error appropriate? (Answer both in words and using a formula.)

f. What new assumption is needed for the unpaired t-test to be valid for small samples? What can you do if this assumption is grossly violated?

Reference no: EM131808612

Questions Cloud

Organizational effects or outcomes of creativity : identify at least three organizational effects or outcomes of creativity.

Relationship between the speed of a computer cpu : The following table shows the relationship between the speed of a computer's CPU and its benefits and costs.

What is the pairing requirement : Identify the two hypotheses involved in a paired t-test. What is the "pairing" requirement? Give a concrete example.

Calculate the company break-even point in sales : Calculate the company's break-even point in sales dollars for the year 2017 if it hires its own sales force to replace the network of agents

What is an unpaired t-test : What new assumption is needed for the unpaired t-test to be valid for small samples? What can you do if this assumption is grossly violated?

What is the marginal benefit of the 2nd car wash each month : What is the marginal benefit of the 2nd car wash each month? What is the optimal number of car washes per month? Why? Draw a graph to justify your responses.

Discuss what is the companys after tax cost of debt : These bonds have a face value of $1,000 and a current market price of $1,060. What is the company's after tax cost of debt if its tax rate is 35 percent

Describe general process of constructing confidence interval : Describe the general process of constructing confidence intervals and performing hypothesis tests using the rule of thumb when you have an estimator.

What would you like to learn in this course : What comes to mind when you think of economics/economists? What would you like to learn in this course?

User Account

All Pages