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Chapter 12: Q. 12.36 (page 499)

Find the type of table that is used to group bivariate data.

Short Answer

Expert verified

Ans: A contingency table or two-way table is the name of the table used to group bivariate data.

Step by step solution

01

Step 1. Given information.

given,

Identify the type of table that is used to group bivariate data.

02

Step 2. The type of table is:

A contingency table or two-way table is the name of the table used to group bivariate data.

Because bivariate can be defined as analysis is the statistical way that helps you study relationships (correlation) between data sets. Many businesses, marketing, and social science questions and problems can be solved using bivariate data sets.

And, When used to calculate probabilities, atwo-way table is often called a contingency or emergency table. This table helps in determining conditional probabilities quite easily. That's why the type of table used to group bivariate data is a two-way table or contingency table.

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Most popular questions from this chapter

The t-table has entries for areas of 0.10,0.05,0.025,0.01and0.005. In contrast, the χ2-table has entries for those areas and for 0.995,0.99,0.975,0.95and 0.90.Explain why the t-values corresponding to these additional areas can be obtained from the existing t-table but must be provided explicitly in the χ2-table.

In each case, decide whether Assumptions 1and 2for using chi-square goodness-of-fit test are satisfied.

Sample size: n=100.

Relative frequencies:0.65,0.30,0.05.

Step 1 of Procedure 13.2 gives generic statements for the null and alternative hypotheses of a chi-square independence test. Use the terms statistically dependent and statistically independent, introduced on page 496, to restate those hypotheses.

In each of exeercises 12.57-12.59, use the technology of your choice to solve the specified problems.

The National Governors Association publishes information on U.S Governors in Governors' Political Afflitiation and Term of Office. Based on that document we obtain the data on region of reidence an political party given on WeissStats site.

a. Group the bivariate data for these two variables into a contingency table.
b. Determine the conditional distribution of region within each party and the marginal distribution of region.
c. Determine the conditional distribution of party within each region and the marginal distribution of party.
d. Are the variables "region" and "party" for U.S. governors associated? Explain your answer.

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.
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