Question

please answer me fast ​

Answer 1

Answer:

(a) class size= 2+4+10+6+6+12

= 40

(b)

Answer 2

Answer:

(a) class size = upper limit - lower limit

consider the class interval 34 - 36 ,

class size = 36 - 34

= 2

(b) class mark = upper limit + lower limit / 2

here , 40- 42 . class mark = 40 + 42 /2

= 82/2 = 41.

Step-by-step explanation:

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