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11. The median is the value below
which and above which approximately 50 percent of the measurements

lie.

True False

12. An independent variable is a
predictor variable that can be used to describe, predict, or control a

dependent variable.

True False

13. The relative frequency is the
frequency of a class divided by the total number of measurements.

True False

14. The box-and-whiskers display
is a graphical portrayal of data sets that depict both the central tendency

and variability of the data.

True False

15. When establishing the classes
for a frequency table it is generally agreed that the more classes you use the

better your frequency table will
be.

True False

16. If there are 7 classes in a
frequency distribution, then the fourth class will always contain the median.

True False

17. The sample cumulative
distribution function is non-decreasing.

True False

18. Range is a better measure of
variation than standard deviation.

True False

19. A normal population has 99.73
percent of the population measurements within _____ standard deviations

of the mean.

A. One

B. Two

C. Three

D. Four

E. Five

20. A numeric characteristic of a
sample is a(n) ____________.

A. Mean

B. Variance

C. Statistic

D. Parameter

E. Scale

Pending

Other
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Other
27 Feb 2018

Due Date: 27 Feb 2018
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