Question: Sample data have been collected, and the null hypothesis to be tested is H0: The sample was drawn from a normal population in which

Sample data have been collected, and the null hypothesis to be tested is H0: “The sample was drawn from a normal population in which μ = 130.” If the analysis is based on a categorization that includes 8 cells:
a. How many degrees of freedom will be associated with the test?
b. For a test at the 0.05 level, what is the critical value of chi-square?
c. If the calculated value of the chi-square statistic is 11.25, what conclusion would be reached regarding the null hypothesis?

Step by Step Solution

★★★★★

3.47 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a The degrees of freedom are 8 1 1 6 m 1 in this case since we have to estimate the stand... View full answer

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)

522-M-S-C-S-T (644).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The following sample data have been collected from two independent samples from two populations. Test the claim that the second population median will exceed the median of the first population. a....

The following sample data have been collected from independent samples from two populations. The claim is that the first population median will be larger than the median of the second population. a....

The following sample data have been collected from two independent random samples from two populations. Test the claim that the first population median will exceed the median of the second...

13.15 Sample data have been collected, and the null hypothesis to be tested is H0: The sample was drawn from a normal population in which 5 130. If the analysis is based on a categorization that...

13.14 Sample data have been collected, and the null hypothesis to be tested is, H0: The sample was drawn from a normal population. If the analysis is based on a categorization that includes 5 cells:...

4 (Chapter 13) Cash Offer for a Used Car A consumer organization decided to assess if the age of a used car owner has any effect on the size of a cash offer for a used car. In particular, they...

11.) In a study of cell phone usage and brain hemisphericdominance, an Internet survey wase-mailed to 6971 subjects randomly selected from an online group involved with ears. There were 1294 surveys...

Section 9.3 Question #6 Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same...

Imagine that you are a psychologist who has invented a new medication ("Wildcatozine") to treat people with depression. You predict that depressed individuals who take Wildcatozine will experience...

1. At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, \"You can average $79 a day in tips.\" Assume the population of daily tips is normally distributed...

Explain how centralized and decentralized companies differ. What are the advantages and disadvantages of each?

In an experiment you are provided with five capacitors each of capacitance 1C, (i) you are supposed to join the capacitors in the parallel combination to make groups of 1 one, two, three, four and...

A company has collected weekly sales data for the past 12 weeks. (a) Compute the forecasts that would have occurred for weeks 5-12 using a weighted mov- ing average with weights of 4/10, 3/10, 2/10,...

Susan made the following purchases of ordinary shares in Semicycle plc: Date No of shares Cost 11 January 2008 1,500 4,800 20 January 2015 1,140 5,700 In J anuary 2018 , the company went into...

An electronic scale that displays weights to the nearest pound is used to weigh packages. The display shows only five digits. Any weight greater than the display can indicate is shown as 99999. The...

A batch of 500 machined parts contains 10 that do not conform to customer requirements. The random variable is the number of parts in a sample of 5 parts that do not conform to customer requirements.

A batch of 500 machined parts contains 10 that do not conform to customer requirements. Parts are selected successively, without replacement, until a nonconforming part is obtained. The random...

Yani has $12,000 for investment purposes. His bank has offered the following three choices: Choice 1. A special savings certificate that will pay $175 each month for 5 years and a lump sum payment at...

The balance sheet for Pie Crust, Inc., is shown here in market value terms. There are 26,000 shares of stock outstanding. Market Value Balance Sheet Cash $156,000 Fixed assets 514,800 Equity $670,800...

An investment cost $12,000 with expected cash flows of $4,000 for 7 years. The required eturn is 15.23%. The IRR is A. 14%, accept B. 27.12%, accept for the project, thus we should __ the project. C....