cify the adequacy of index numbers.(b) Differentiate between discrete and continuous random variables. Write any three applications andproperties of binomial, Poisson and Normal Distribution.Q. 3. The Frequency distribution of marks of 800 students given below:Marks: 40-5050-6060-70 70-8O80-9090-100 100-110 110-120 20-130130-140No. of St: 104080140170130T00704020Find from the given data (a) mean marksS of the students (b) Standard deviation (c) no. of students havingmarks within x+2o (d) no, of students having marks within x + 30 (e) The Coeflicient of variation in theirmarks?Infinix HOT 10

Name: cify the adequacy of index numbers.(b) Differentiate between discrete
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Description: cify the adequacy of index numbers.(b) Differentiate between discrete and continuous random variables. Write any three applications andproperties of binomial, Poisson and Normal Distribution.Q. 3. The Frequency distribution of marks of 800 students

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Q. 3. The Frequency distribution of marks of 800 students given below: Marks: 40-50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 20-130 130-140 No. of St: 10 40 80 140 170 130 100 70 40 20 Find from the given data (a) mean marks of the students (b) Standard deviation (c) no. of students having marks within x + 2o (d) no, of studentls having marks within x ± 30 (e) The Coeflicient of variation in their marks?

Q. 3. The Frequency distribution of marks of 800 students given below: Marks: 40-50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 20-130 130-140 No. of St: 10 40 80 140 170 130 100 70 40 20 Find from the given data (a) mean marks of the students (b) Standard deviation (c) no. of students having marks within x + 2o (d) no, of studentls having marks within x ± 30 (e) The Coeflicient of variation in their marks?

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Question

cify the adequacy of index numbers.
(b) Differentiate between discrete and continuous random variables. Write any three applications and
properties of binomial, Poisson and Normal Distribution.
Q. 3. The Frequency distribution of marks of 800 students given below:
Marks: 40-50
50-60
60-70 70-8O
80-90
90-100 100-110 110-120 20-130
130-140
No. of St: 10
40
80
140
170
130
T00
70
40
20
Find from the given data (a) mean marksS of the students (b) Standard deviation (c) no. of students having
marks within x+2o (d) no, of students having marks within x + 30 (e) The Coeflicient of variation in their
marks?
Infinix HOT 10

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