Use the given minimum and maximum data entries, and the number of classes, to fi

Question

Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits minimum 13, maximum 64, 6 classes The class width is Choose the correct lower class limits below OA 13, 21, 31, 39, 48, 58 O B. 21, 30, 40, 48, 57, 66 ° C. 22, 30, 40, 49, 58, 66 OD. 13, 22, 31, 40, 49, 58 Choose the correct upper class limits below ?. 21, 30, 39, 48, 57, 66 OB. 21 . 30, 40, 49, 57, 66 O C. 22, 31, 39, 48, 58, 66 OD. 22, 31, 40, 49, 58, 66

Explanation / Answer

Solution :

Given that,

minimum = 13

maximum = 64

Number of classses = 6

class width = (maximim - minimum) / Number of classses

= (64 - 13) / 6

= 51/6

= 8.5

Round up to 9

Lower class limits are : 13 , 22 , 31 , 40 , 49 , 58

Upper class limits are : 22 , 31 , 40 , 49 , 58 , 66

Option D) is correct .

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