# Calculation Of Standard Deviation And Median

Question

1. In a hearing test, subjects estimate the loudness (in decibels) of sound and the results are:
68, 67, 70, 71, 67, 75, 69, 62, 80, 73, 68 What is the median?

A. 67
B. 70
C. 68
D. 69
E. 80

Put items in order: 62,67,67,68,68,69,70,71,73,75,80 Median = [11 + 1] / 2 or 6th item

2. The numbers of rooms for 15 homes recently sold were: 8, 8, 8, 5, 9, 8, 7, 6, 6, 7, 7, 7, 7, 9, 9 What is the standard deviation?

A. 1.96
B. 1.40
C. 1.31
D. 1.14
E 1.18

Summary

These multiple choice questions belong to Statistics and they discuss about calculation of median and calculation of standard deviation.

Total Word Count 4

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