A numerical value used as a summary measure for a sample standard deviation, is

Question

A numerical value used as a summary measure for a sample standard deviation, is known as a (A) population parameter (B) sample parameter (C) sample statistic (D) population statistic (E) None of the above answers is correct The sum of deviations of the individual data elements from the data set mean is (A) always greater than zero (B) always less than zero (C) sometimes greater than and sometimes less than zero, depending on the data elements (D) always equal to zero (E) None of the above answers is correct A political scientist is studying voters in Florida. It is appropriate for him to use a mean to describe (A) the county of residence of a typical voter (B) the party affiliation of a typical voter (C) the sex of a typical voter (D) the age of a typical voter (E) All of (A) through (D) (F) None of (A) through (D)

Explanation / Answer

(1) A numerical value used as a summary measure for a sample. Such that sample standard deviation is known as a “Sample Statics”

(2) The sum of deviations of the individual data elements from the data set mean is “Always equal to zero”.

( 3) A political scientist is studying voters in Florida. It is appropriate for him to use a mean to describe

Country of residence of a voter

The party affiliation of typical voter

The sex of a typical voter

and The age of typical voter

So ANSWER is All of (A) through (D )

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