Statistics Through Applications
Statistics Through Applications
2nd Edition
ISBN: 9781429219747
Author: Daren S. Starnes, David Moore, Dan Yates
Publisher: Macmillan Higher Education
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Chapter 2.2, Problem 2.40E

(a)

To determine

To Calculate: the mean and median of the distribution and explain it.

(a)

Expert Solution
Check Mark

Answer to Problem 2.40E

Median and mean are 6 and 8 respectively.

Explanation of Solution

Given:

  Statistics Through Applications, Chapter 2.2, Problem 2.40E , additional homework tip  1

The distribution is left-skewed or negative skewed so median would be lying to the left of the mean. The data have 500 numbers; the median would be at the 250th number so median will be 6. Observing that the minimum and maximum data values are 2 and 16 respectively so spread of the data between 2 and 16. The mean will lie about in the mid way therefore the mean is about 8

I

(b)

To determine

To Explain: that which measure of centre mean or the median, explain it.

(b)

Expert Solution
Check Mark

Answer to Problem 2.40E

Median

Explanation of Solution

Given:

  Statistics Through Applications, Chapter 2.2, Problem 2.40E , additional homework tip  2

Median, because by seeing the histogram median can be get very quickly then mean because for getting the mean its required lots of calculation and it take too much time. That is the median is more popular then mean.

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Statistics Through Applications

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