Monica Capoor Solutions for Exercise 8: Multiple Choice Questions

If in a bar graph, a bar of height $0.25 cm$represents $100$people, then the bar which represents $1000$ people has a height of 

If for the set of observations $4, 7, x, 8, 9, 10,$the mean is $8,$ then $x$ equals

The mean of prime numbers between $30$and $40$ is

The median of the numbers $1, 2, 3, 4, ..., 9$ is

The following observations have been arranged in ascending order:
$18, 20, 25, 26, 30, x, 37, 38, 39, 48$
If the median of the data is $35,$ the value of $x$ is

Mode of a set of observations is the value that

The mode of $4, 6, 7, 8, 12, 11, 13, 9, 13, 9, 7, 8, 9$ is

The median of the following observations arranged in ascending order is $22.$

$8,11,13,15, x + 1,x + 3, 30, 35, 40, 43$

Then the value of $x$ is