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Question 1: (Marks: 2) Given the sample data set 6, 6, 6, 12, 18, 18, 18...

Question 1: (Marks: 2)

Given the sample data set 6, 6, 6, 12, 18, 18, 18

  1. Calculate the mean.

  1. Calculate the median.

  1. Calculate the sample standard deviation.
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Solution :

Solution :

n = 7

(a)

= = 84 / 7 = 12

(b)

Median is the middle most observations in the data when observations are arranged in

increasing or decreasing order of their values.

Median = 12

(c)

s =  (x - )2 / n - 1 = 216 / 6 = 36 / 6 = 6

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