Mario's copy of Descriptive Statistics (P): Mean

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Question 1

Find the means of the following sets of numbers. Enter your answers as whole numbers or fractions, not decimals.

$\var{a}, \var{b}, \var{c}$

Write your answer as a fraction.Expected answer:

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$\var{a},\var{b},\var{f},\var{c},\var{d}$

Write your answer as a fraction.Expected answer:

Score: 0/1

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To find the mean you first need to sum the numbers, i.e.:

$\simplify[]{{a}+{b}+{c}} = \var{a+b+c}$

Then divide through by the number of values being summed:

$\text{Mean} = \simplify{{a+b+c}/3}$

The mean is

$\simplify[]{({a}+{b}+{f}+{c}+{d})/5} = \simplify[fractionnumbers]{{(a+b+f+c+d)/5}}$

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