Question

The class size and the class
mark respectively of the class
15-20 is
a) 17.5,5
b) 5,15
c) 5,17.5
d) 5,20​

Answer 1

Answer:

The class mark is also known as the class midpoint is the particular point in the middle of the class interval. it is given by , where a= lower limit and b= upper limit. Therefore , the class size and class mark of class 15-20 is 5 and 17.5.

Step-by-step explanation:

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Answer 2

Answer:

D is correct follow, like me and please click on the. Brailst