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Question 87 - DA0-001 discussion

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Which of the following value is the measure of dispersion "range" between the scores of ten students in a test.

The scores of ten students in a test are 17, 23, 30, 36, 45, 51, 58, 66, 72, 77.

A.
90
Answers
A.
90
B.
60
Answers
B.
60
C.
70
Answers
C.
70
D.
80
Answers
D.
80
Suggested answer: B

Explanation:

The correct answer is: 60 Range is the interval between the highest and the lowest score.

Range is a measure of variability or scatteredness of the varieties or observations among themselves and does not give an idea about the spread of the observations around some central value.

Symbolically R = Hs - Ls.

Where R = Range; Hs is the 'Highest score' and Ls is the Lowest Score.

The scores of ten students in a test are: 17, 23, 30, 36, 45, 51, 58, 66, 72, 77.

The highest score is 77 and the lowest score is 17.

So the range is the difference between these two scores Range = 77 - 17 = 60

asked 02/10/2024
Sivagami Narayanan
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