Question

Less than 80
80
50
i-, vildt is the perimeter of the formed triangle? A) 60 m B) 50 m C) 45 m D)
32. In school exam marks obtained out of 80 are as follows:
Less than 10 Less than 20 Less than 30 Less than 40 Less than 50 Less than 60 Less than 70
8
20
30
60
70
75
(1) How many students scored less than 40 marks? A) 50 B) 40 C) 60 D) 30.
(2) What is the upper limits of the modal class? A) 20 B) 30 C) 40 D) 50.
(3) The median class is : A) 10-20 B) 20-30 C) 30-40 D) 40-50
(4) The mean marks of the students is : A) 35.8 B) 35.9 C) 36 D) 36.5.
(5) Class mark of the class preceding the modal class is : A) 35 B) 30 C)25 D) 45.
​

Answer 1

Answer:

a =16 ajwk(#88bsjiaiooqnjko