6. Coefficient of Variation is 7. Roster form of the set (x:x is an integer and -3 < x < 7}is. 8. Geometric Mean between two

Question

6. Coefficient of Variation is
7. Roster form of the set (x:x is an integer and -3 < x < 7}is.
8. Geometric Mean between two positive real numbers a and bis
Part-B
9. If A={1,2,3,4} and B={3,4,5,6,7} find (1) AUB (ii) ANB (iii) A-B (iv) B-A.
10. Which term of the A.P. 3, 8, 13, 18,
is 78 ?
11. In a survey of 400 students in a school, 100 were listed as taking apple
juice, 150 as taking orange juice and 75 were listed as taking both apple as well
as orange juice. Find how many students were taking neither apple juice nor
orange juice. OR
Find the sum of series: 7 + 77 + 777 +
…….. To n terms
12. Find Mean deviation about mean for the following data:
5
10
15
20
25
X
F
7
4
6
الا
un​

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Gianna 1 month 2021-09-14T23:38:02+00:00 1 Answer 0 views 0

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    2021-09-14T23:39:20+00:00

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18:9+8+9*3-7:3-1*13 = ? ( )