Question

Find the range of the following marks in a class assessment 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7
a) 9
b) 1
c) 8
d) 7

Answer 1

Answer:

c) 8.

Step-by-step explanation:

Range = Highest Observation - Lowest Observation.

Highest Observation = 9

Lowest Observation = 1

Range = 9 - 1 = 8.

So option c is your answer.

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Answer 2

Answer:

8

Step-by-step explanation:

Range Formula---- Highest observation - Lowest Observation

Highest- 9

Lowest- 1

9-1= 8