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PLEASE ANSWER ALL QUESTIONS ! 1. When performing a Chi-Square test, what is the critical value...

PLEASE ANSWER ALL QUESTIONS !

1.

When performing a Chi-Square test, what is the critical value between the accept and reject regions for a test with 5 classes and 25 observations at the 5% level of significance?

Select one:

a. 11.070

b. 2.87

c. 2.60

d. 9.488

2. True or False: A hypothesis is a statement about a population developed for the purpose of testing.

Select one:

True

False

3. If you ACCEPT the null hypothesis while performing a Chi-Square test, then:

Select one:

a. There is a significant difference between the observed and expected frequencies.

b. There is no significant difference between the observed and expected frequencies.

4. What is our decision for a goodness of fit test with a computed chi-square value of 8.73 and a critical value of 11.345?

Select one:

a. We should take a larger sample.

b. Reject the null hypothesis.

c. Do not reject the null hypothesis.

d. We are unable to accept or reject the null hypothesis based on the data.

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