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Chapter 12: Q. 12.37 (page 499)
What are the small boxes inside the heavy lines of a contingency table called ?
The small boxes inside the heavy lines of a contingency table are called cells.
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Job Satisfaction. A CNN/USA TODAY poll conducted by Gallul asked a sample of employed Americans the following question: "Which do you enjoy more, the hours when you are on your job, or the hours when you are not on your job?" The responses to this question were cross-tabulated against several characteristics, among which were gender, age, type of community, educational attainment, income, and type of employer. The data are provided on the WeissStats site. In each of Exercises 12.87-12.92, use the technology of your choice to decide, at the significance level, whether an association exists between the specified pair of variables.
type of community and response
In each case, decide whether Assumptions and for using chi-square goodness-of-fit test are satisfied.
Sample size: .
Relative frequencies:.
Identify three ways in which the total number of observations of bivariate data can be obtained from the frequencies in a contingency table.
In each of Exercises 12.11-12.16, we have given the relative frequencies for the null hypothesis of a chi-square goodness-of-fir text and the sample size. In each case, decide whether Assumptions 1 and 2 for using that text are satisfied.
Sample size : n= 100.
Relative frequencies: 0.44 , 0.25 , 0.30 , 0.01.
In each of the given Exercises, we have given the number of possible values for two variables of a population. For each exercise, determine the maximum number of expected frequencies that can be less than 5 in order that Assumption 2 of Procedure 12.2 on page 506 to be satisfied. Note: The number of cells for a contingency table with m rows and n columns is m鈰卬.
12.69 four and five
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