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Author Question: The variance is based on the a. deviation about the median. b. number of variables. c. deviation ... (Read 98 times)

melina_rosy

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on: Jun 24, 2018
The variance is based on the
 a. deviation about the median. b. number of variables.
  c. deviation about the mean. d. correlation in the data.

Question 2

The simplest measure of variability is the
 a. variance. b. standard deviation.
  c. coefficient of variation. d. range.


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momtoalll

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c
RATIONALE: The variance is based on the deviation about the mean, which is the difference between the value of each observation (xi) and the mean.

Answer to Question 2

d
RATIONALE: The simplest measure of variability is the range.


melina_rosy

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Reply 2 on: Jun 24, 2018
Gracias!

ghepp

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Reply 3 on: Yesterday
Excellent

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