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# MCQs: Statistics

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Please see attached file and and answer the questions and include an explanation.

State insured uninsured unknown total
Arizona 2,000,000 800,000 1,000,000 3,800,000
Oregon 2,000,000 50,000 100,000 2,150,000
New York 8,000,000 2,000,000 5,000,000 15,000,000
total 12,800,000 2,862,000 6,100,100 21,762,100

A) Is the illustration above best labeled as a two way table?

B) What is it most often used for?

C) Which source below would permit us to run a "t" test?

A) Any list of values of a single variable
B) A simple frequency table with multiple categories
C) A dataset of measurements of one variable for two groups
D) A count of categories for multiple groups

D) For a "t" test, the "degrees of freedom" is always

a. &#963; - 1
b. The sample size squared
c. n - 1
d. The number of groups or categories minus one

PLEASE Explain the "degrees of freedom":

E) The &#967;2 test requires ________________.

a. Parametric (measurement-level) data
b. Frequency data
c. The mean and standard deviation of a dataset
d. Mean, median and mode only

##### Solution Summary

The solution provides answers to multiple choice questions on statistics. Explanation of the answers are also provided.

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