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Test of hypothesis to determine whether two attributes from a population could be considered independent requires using

Select one:

A. F distribution

B. the t distribution

C. the normal distribution

E. None of the above answers is correct

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Select one:

A. LCL = 0.0 and UCL = 0.2225

B. LCL = 0.0 and UCL = 0.2525

C. LCL = 0.0 and UCL = 0.2725

D. None of the above answers is correct

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A production manager in charge of manufacturing plastic discs must maintain a standard deviation below 1 millimeter for the thickness of the plastic disc. A sample of 26 plastic discs randomly selected reveals a sample standard deviation of 0.95 millimeters. He needs to setup a 95% confidence interval for the population standard deviation based on this sample. What is the lower limit of this confidence interval?

Select one:

A. 1.72

B. 1.31

C. 0.56

D. 0.75

E. 0.69

F. None of the above answers is correct

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F-distribution can take on any value.

Select one:

A. true

B. false

Which of the following test of hypothesis requires using F-distribution?

Select one:

A. test of hypothesis comparing two population means

B. test of hypothesis comparing two population variances

C. test of independence

D. test of goodness of fit

E. None of the above answers is correct

PLEASE HELP NEED THIS ASAP!!!!!!!!

Explanation / Answer

1.

Test of hypothesis to determine whether two attributes from a population could be considered independent requires using

OPTION D: The chi^2 distribution [ANSWER]

[This is called the chi-squared test of independence]

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