Chapter 10, Problem 1MCQ

To determine

To calculate mean, median and mode.

Answer to Problem 1MCQ

Mean is 18.6, median is 18, mode is 30.

Explanation of Solution

Given information:

The data set is,

{10, 11, 18, 24, 30}

Formula used:

Mean is,

  

Median is,

  

Mode is the maximum value,

  value

Calculation:

For mean, substituting the values in the formula,

  

So,

  

On solving,

  

Hence, mean is 18.6

For median, n is odd,

Substituting the values in the formula,

  

On solving,

  

Substituting the values,

  

Hence, median is 18.

For mode, substituting the value,

  

Hence, mode is 30