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Chapter 11: Q.30 (page 656)

What is the test statistic?

Short Answer

Expert verified

Test statistics is55.888.

Step by step solution

01

Given Information

Given data:

02

Explanation

Test static of independence is given by,

Test statistic =∑i×j(O-E)2E

To calculate (O-E)2Eusing the formula (B4-B14)2B14and table of the test statistic is given below,

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Most popular questions from this chapter

What is the test statistic?

When looking at energy consumption, we are often interested in detecting trends over time and how they correlate among different countries. The information in Table 11.57 shows the average energy use (in units of kg of oil equivalent per capita) in the USA and the joint European Union countries (EU) for the six-year period 2005 to 2010. DoW? Perform the analysis at the 5% significance level.

A psychologist is interested in testing whether there is a difference in the distribution of personality types for business majors and social science majors. The results of the study are shown in Table. Conduct a test of homogeneity. Test at a 5%level of significance.

OpenConscientiousExtrovertAgreeableNeuroticBusiness4152466158Social Science7275638065

Determine the appropriate test to be used in the next three exercises.

A personal trainer is putting together a weight-lifting program for her clients. For a 90-day program, she expects each client to lift a specific maximum weight each week. As she goes along, she records the actual maximum weights her clients lifted. She wants to know how well her expectations met with what was observed.

Perform a goodness-of-fit test to determine whether the local results follow the distribution of the U.S. overall student population based on ethnicity.
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