Question: If you don't know the population standard deviation, what do you use as a substitute in your test statistic? Group of answer choices s x-bar

If you don't know the population standard deviation, what do you use as a substitute in your test statistic?

Group of answer choices

s

x-bar

sigma

uo (stands for mu sub zero)

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!

Q:

1.) You must use a t instead of a Z in your confidence interval formula for a mean when you don't know the value of sigma. (Assume you have a normal distribution.) a) True b) False 2.) A confidence...

Q:

If you don't know the population standard deviation, what do you use as a substitute in your test statistic? Group of answer choices uo (stands for mu sub zero) x-bar s sigma

Q:

1 . The standard deviation of the t-distribution with 5 degrees of freedom is ____________________ the standard deviation of the Z distribution. a. greater b. larger c. same as 2 . If you don't know...

Q:

CHAPTER 9 Hypothesis Tests CONTENTS 9.4 POPULATION MEAN: UNKNOWN One-Tailed Test Two-Tailed Test Summary and Practical Advice 9.5 POPULATION PROPORTION Summary 9.6 HYPOTHESIS TESTING AND DECISION...

Q:

For Questions 20 - 30, use the data below. Studies have shown that large amounts of mercury in fish leads to various health problems in consumers. The Food and Drug Administration (FDA) researches...

Q:

Need help please in this homework taken once. Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Remaining...

Q:

You own a small storefront retail business and are interested in determining the average amount of money a typical customer spends per visit to your store. You take a random sample over the course of...

Q:

How do you response to discussion questions from peer each one is number. 2. The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is less than 5 minutes. A random...

Q:

Unit 3 Problem Set NAME: Elements of Statistics--FHSU Virtual College--Spring 2017 REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of...

Q:

Need help please in this homework Timed Test This test has a time limit of 3 hours. This test will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes,...

Q:

Suppose A has eigenvalue 2 corresponding to eigenvector [3] eigenvector The matrix is A = 88 81 [25], and eigenvalue - 1 corresponding to Show or upload your work below, explaining in detail how you...

Q:

Calculate the formation heat of Pb0 at 800 K. Given: Chemical reaction for the formation of Pbo Pb (1) + % 0 2(g) = Pb0 (s)

Q:

True or false, most publicly held American firms that pay dividends tend to pay regular quarterly cash dividend

Q:

7. Using the weighted pointed method rank the suppliers and select one. Given: The department criteria and their respective points: Criteria Points Quality Delivery Cost reduction suggestion Price...

Q:

How much are your customers worth to you over a lifetime of buying?

Q:

How many customers have you lost in the past year? Who are these customers?

Q:

Do you compare these fi gures to the total number of clients you have? How much does it cost you to get new customers?