List of top Mathematics Questions on Statistics asked in Bihar Board X

If the mean of five observations \( x, x+2, x+4, x+6, x+8 \) is 11, then the value of \( x \) is:
The mean of the first ten consecutive odd numbers is:
The median of 15, 6, 16, 8, 22, 21, 9, 18, 25 is:

In the following distribution, what is the modal class? 

ClassFrequency
0-1015
10-2020
20-3045
30-4015
40-5025


 

Which relationship is true for Mean, Median and Mode?
If the mean of \(x+2, 2x+3, 4x+5, 5x+2\) is 18, then the value of \(x\) is
If the median of \(24,27,28,31,34,x,37,40,42,45,50\) is 35, then the value of \(x\) is
The cumulative frequency table is useful in the determination of the following?