1) Which of the following is a measure of data deviation? a) 50th percentile b)

ID: 3304720 • Letter: 1

Question

1) Which of the following is a measure of data deviation?

a) 50th percentile

b) variance

c) mean

d) median

3) The standard deviation of a 9 observations equals to 4. The variance of the sample equals

a) 81

b) 2

c) 3

d) 16

4) Which of the following is not a measure of dispersion?

a) range

b) median

c) standard deviatio

n d) IQR

e) variance

6) A statistical study will always precisely determine the population parameter once the study is complete. a) True b) False

7) A measurement from a population is a _____________ and a measurement from a sample is a ___________.

a) variable, statistic

b) sample, statistic

c) statistic, parameter

d) parameter, statistic

1) a measure of data deviation - variance

3) The standard deviation of a 9 observations equals to 4. The variance of the sample equals = sqrt(4) = 2

4) Not a measure of dispersion - Median

6) A statistical study will always precisely determine the population parameter once the study is complete. - False

7) A measurement from a population is a Parameter and a measurement from a sample is a statistic. -- d) parameter, statistic

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