निम्न्लिखित आँकड़ो से मानक विचलन ज्ञात कीजिये
10,20,30,40,50,60,

Range of data : 20,40,30,60,80,100,10,70 is

Range of data: 20,40,30,60,80,100,10,70 is:

In the following frequency distribution, the median class is . . . . . {:("Class ",10-20,20-30,30-40,40-50,50-60),("Frequency "," "12," "18," "25," "15," "10):}

Find the standard deviation for the following data: 10, 20, 30, 40, 50, 60, 70, 80, 90

Calculate the mean deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

Calculate the median deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

If U = {10, 20, 30, 40, 50, 60, 70, 80, 90} universal set. and A = {10, 20, 40, 60} B = {30, 40, 60, 80} C = {10, 30, 60, 90} find A'

If U = {10, 20, 30, 40, 50, 60, 70, 80, 90} universal set. and A = {10, 20, 40, 60} B = {30, 40, 60, 80} C = {10, 30, 60, 90} find (A')'

If U = {10, 20, 30, 40, 50, 60, 70, 80, 90} universal set. and A = {10, 20, 40, 60} B = {30, 40, 60, 80} C = {10, 30, 60, 90} find (B - C)'

If U = {10, 20, 30, 40, 50, 60, 70, 80, 90} universal set. and A = {10, 20, 40, 60} B = {30, 40, 60, 80} C = {10, 30, 60, 90} find (A nn C)'