Quiz Chapter 15.docx - Your quiz has been submitted successfully Subsection Question 1 The chi-square statistic 2 2 points Question options Is equal to

# Quiz Chapter 15.docx - Your quiz has been submitted...

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Your quiz has been submitted successfully. Subsection Question 1 2 / 2 points The chi-square statistic _______________. Question options: Is equal to zero Can be any value Is less than or equal to zero Is greater than or equal to zero Question 2 2 / 2 points The chi-square distribution is _____________. Question options: Uniformly distributed Normally distributed Negatively skewed Positively skewed Question 3 2 / 2 points Which chi-square distribution would be closest to a normal distribution? Question options: The distribution with 9 degrees of freedom. The distribution with 15 degrees of freedom. The distribution with 12 degrees of freedom. The distribution with 3 degrees of freedom. Question 4 2 / 2 points What is our decision for a goodness-of-fit test with a computed chi-square value of 1.273 and a critical value of 13.388? Question options: Do not reject the null hypothesis. Reject the null hypothesis. Unable to reject or not reject the null hypothesis based on data. We should take a larger sample. Question 5 2 / 2 points Which of the following assumptions is necessary to apply a goodness-of-fit test? Question options:
The population must be normally distributed. The data are measured with a nominal or ordinal scale. The population variance must be known. The population mean must be known. Question 6 2 / 2 points A sample of 100 production workers is obtained. The workers are classified by gender (male, female) and by age (under 20, 20-29, 30-39, and 40 or over). How many degrees of freedom are there? Question options: 0 3 6 5 Question 7 2 / 2 points The chi-square distribution becomes more symmetrical as the ____________.

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