Distinguish between classification and tabulation of data

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Reference no: EM13580716

1. Distinguish between Classification and Tabulation of data. What are the types of Classification of data?

2. Calculate mean and median for the following data

Marks

0-20

20-40

40-60

60-80

80-100

100-120

120-140

No of Students

4

26

22

10

9

6

3

3. Calculate the regression equations of X on Y and Y on X from the following data:

X

1

2

3

4

5

Y

2

5

3

8

7

Reference no: EM13580716

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