Question

the following table gives marks obtained by 7 students of a class find out standard deviation of the marks​

Answer 1

Answer:

your question is incomplete

Answer 2

Answer:

For a data-set of 50 students, the median is equal to mean of the 25

th

and 26

th

data sample when all the data sample are arranged in ascending order.

From the table, 23

rd

to 34

th

data samples lie in the range of 50−60. Hence, median marks range is 50−60.

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