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Q.

The heights (in ft) of the students of a class were as follows:

5, 5.1, 5.5, 5.2, 6, 5.9, 5.4, 5.2, 4.9, 5.3, 4.8, 5.8, 5.5, 6.2, 6, 5.9, 5.4, 5.2

Find the modal height of the class.

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a

6 ft

b

 5.9 ft

c

5.4 ft

d

5.2 ft

answer is C.

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Detailed Solution

detailed_solution_thumbnail
Heights (in ft(TallyNo. of students (Frequency)

4.8

4.9

5

5.1

5.2

5.3

5.4

5.5

5.8

5.9

6

6.2

I

I

I

I

III

I

II

II

I

II

II

I

1

1

1

1

3

1

2

2

1

2

2

1


 

3 students have a height of 5.2 ft.

Hence, modal height of the class is 5.2 ft.

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