Question

Write the class size and class limits of the following
104, 114, 124, 134, 144, 154, 164

Answer 1

Answer:

10,99_109,109_119,119_129,129_139

Answer 2

Class size - 10

Step-by-step explanation:

Given : Data 104, 114, 124, 134, 144, 154, 164.

To find : Write the class size and class limits of the following data ?

Solution :

Class size is defined as the common difference between two consecutive data.

i.e. Class size = 114 – 104 = 10

Class limit is defined as the minimum value and the maximum value the class interval may contain.

Lower class limit - $LL=CM-\frac{CS}{2}$

For 104, $LL=104-\frac{10}{2}=99$

Upper class limit - $UL=CM+\frac{CS}{2}$

For 104, $UL=104+\frac{10}{2}=109$

Class mark      Lower class limit       Upper class limit        Class limit

    104                       99                               109                      99-109

    114                       109                               119                       109-119

    124                       119                               129                      119-129

    134                       129                               139                      129-139

    144                       139                               149                      139-149

    154                       149                               159                      149-159

    164                       159                               169                      159-169

#Learn more

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