Exercise 6.3 class 10 question 1 to 7 chapter 6 | what is Dispersion, range and standard deviation?

Exercise 6.3 class 10 question 1 to 7 chapter 6 | what is Dispersion, range and standard deviation?

Question no 1 0:00
Question no 2 7:26
Question no 3 8:39
Question no 4 15:18
Question no 5 19:00
Question no 6 23:19
Question no 7 28:40

what is Dispersion?
what is variance?
what is standard Deviation?
what is range ?
basic statistics

#Exercise6.3
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[ahmadrandhawa]

Ex 6.3 class 10 Q 7
we have to find the range in this question. why do we have to find class boundaries? can we not get range from the lower class limit of the first-class and upper-class limit of last class

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sir question no 4 exercise no 6.3 that table 13640-11500 = -2, 140 its not -2410 thank you :)

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