Question

The annual attendance of 58 girls in Std. VIII is given below: 1 69, 1 68, 1 71 ,

1 80, 1 65, 1 90, 1 95,1 59, 1 53, 1 85, 1 58, 1 56, 1 63, 1 67, 1 79, 1 57, 1 74, 1 64, 1 84,

1 84, 1 75,1 79, 1 74, 1 83, 1 97, 1 72, 1 88, 1 72, 1 61 , 1 73, 1 66, 1 66, 1 62, 1 70,

1 78,1 82, 1 78, 1 77, 1 71 , 1 77, 1 77, 1 93, 1 87, 1 92, 1 82, 1 76, 1 76, 1 80,1 86, 1 81 ,

1 71 , 1 78, 1 92, 1 77, 1 87, 1 91 , 1 76, 1 64

Prepare a frequency table for the data using the class intervals as:

1 50-1 55, 1 55-1 60, 1 60-1 65, 1 65-1 70, 1 70-1 75, 1 75-1 80, 1 80-1 85, 1 85-

1 90, 1 90-1 95, 1 95-200

 Factories :p⁴-81

 Find the smallest number by which 675 must be multiplied to

obtain a perfect cube.

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Answer 1

The annual attendance of 58 girls in Std. VIII is given below: 1 69, 1 68, 1 71 ,

1 80, 1 65, 1 90, 1 95,1 59, 1 53, 1 85, 1 58, 1 56, 1 63, 1 67, 1 79, 1 57, 1 74, 1 64, 1 84,

1 84, 1 75,1 79, 1 74, 1 83, 1 97, 1 72, 1 88, 1 72, 1 61 , 1 73, 1 66, 1 66, 1 62, 1 70,

1 78,1 82, 1 78, 1 77, 1 71 , 1 77, 1 77, 1 93, 1 87, 1 92, 1 82, 1 76, 1 76, 1 80,1 86, 1 81 ,

1 71 , 1 78, 1 92, 1 77, 1 87, 1 91 , 1 76, 1 64

Prepare a frequency table for the data using the class intervals as:

1 50-1 55, 1 55-1 60, 1 60-1 65, 1 65-1 70, 1 70-1 75, 1 75-1 80, 1 80-1 85, 1 85-

1 90, 1 90-1 95, 1 95-200

 Factories :p⁴-81

 Find the smallest number by which 675 must be multiplied to

obtain a perfect cube.