classes

0-10

10-20

20-30

30-40

40-50

frequency

6

4

3

k

2

If the mean of the following data is 21.5 find the value of k

classes

0-10

10-20

20-30

30-40

40-50

frequency

6

4

3

k

2

If the mean of the following data is 21.5 find the value of k

classes

0-10

10-20

20-30

30-40

40-50

frequency

6

4

3

k

2

If the mean of the following data is 21.5 find the value of k

classes

0-10

10-20

20-30

30-40

40-50

frequency

6

4

3

k

2

If the mean of the following data is 21.5 find the value of k

classes

0-10

10-20

20-30

30-40

40-50

frequency

6

4

3

k

2

If the mean of the following data is 21.5 find the value of k

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