Question

4. The following frequency distribution table shows the number of marks obtained but
students of Class VIII in a test:
Marks obtained 0-10 10-20 20–30 30-40 40-50 50-60 60-70
Number of students 3 5 8 24 21 18 10
0
10 7
Study the above table and answer the following questions.
1. What is the class size?
ii. What is the lower limit of the last class?
iii. What is the upper limit of the class with the highest frequency?
iv. How many students obtained > 50 marks?
v. How many students scored less than 40 marks?
vi. What is the total number of students who took the test?
vii. What percentage of students obtained marks more than or equal to 30 but less than 40​
pzl tell me ans fast pzl help me.

Answer 1

Answer:

i. =>  10

ii. =>  70

iii. =>  40

iv. =>  35

v. =>   40

vi. =>  96

vii. =>  25%

it is the answer as the question is from number maths chapter 7

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Step-by-step explanation:

Answer 2

Answer:

for the vii answer is 25%