In the frequency distribution table for the following weights (in grams) of 35 mangoes, of equal class intervals, one of them is 40-45 (45 not included):
30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37,
53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68
How many classes are there in the frequency distribution table?

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Solution

The correct option is B
9

$∴$ total number of classes in the frequency distribution table is 9.

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Similar questions

Q. In the frequency distribution table for the following weights (in grams) of 35 mangoes, of equal class intervals, one of them is 40-45 (45 not included):
30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37,
53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68
How many classes are there in the frequency distribution table?

Question 100(i)

Construct a frequency distribution table for the following weights (in grams) of 35 mangoes, using the equal class intervals, one of them is 40-45 (45 not included):
30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37,
53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68
How many classes are there in the frequency distribution table ?

Question 100(ii)

Q. By taking classes

30 - 40, 40 - 50, 50 - 60, . . .

, construct a frequency table for the following data:

65, 34, 74, 49, 52, 35, 71, 55, 61, 40, 56, 38, 52, 56, 52, 33, 60, 35, 49, 37, 53, 50, 44, 30, 62, 50, 47, 45, 47, 50, 63, 61, 54, 58, 47, 64, 37, 38, 44, 42, 47, 55, 70, 33, 75, 49, 47, 30, 60, 69

Also, construct a combined histogram and frequency polygon for the distribution.

Q. Prepare the frequency distribution table of the age (in years) of 50 employees in an office. 27, 25, 45, 40, 29, 31, 26, 27, 58, 60, 53, 39, 62, 65, 30, 35, 42, 53, 50, 49, 44, 45, 46, 41, 55, 43, 41, 39, 35, 31, 29, 47, 52, 62, 64, 47, 37, 27, 36, 38, 44, 42, 54, 59, 49, 37, 36, 28, 29, 30. Take equal class intervals and start from 25-30,where 30 is not included.

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The correct option is B 9 ∴ total number of classes in the frequency distribution table is 9.

The correct option is B
9

$∴$ total number of classes in the frequency distribution table is 9.