Solution-Is the quality of a car affected by what day it

Is the quality of a car affected by what day it was built

Reference no: EM131426855

Which test again? For each of the following situations, state whether you'd use a chi-square goodness of-fit test, a chi-square test of homogeneity, a chi-square test of independence, or some other statistical test:

a) Is the quality of a car affected by what day it was built? A car manufacturer examines a random sample of the warranty claims filed over the past two years to test whether defects are randomly distributed across days of the work week.

b) A medical researcher wants to know if blood cholesterol level is related to heart disease. She examines a database of 10,000 patients, testing whether the cholesterol level (in milligrams) is related to whether or not a person has heart disease.

c) A student wants to find out whether political leaning (liberal, moderate, or conservative) is related to choice of major. He surveys 500 randomly chosen students and performs a test.

Reference no: EM131426855

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Is the quality of a car affected by what day it was built

Reference no: EM131426855

Reference no: EM131426855

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