The Mean

The Mean, often referred to as the average, is a single score that provides a typical value for all of the scores in a data set. It is calculated by summing all the values in the data set and then dividing by the number of values.

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1. Question 1 of 2

   1. Question

   What is the mean of a data set?

   • a) The most frequent number in a data set
   • b) The middle number in a sorted data set
   • c) The sum of all numbers in a data set divided by the count of numbers
   • d) The difference between the highest and lowest numbers in a data set
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2. Question 2 of 2

   2. Question

   If you made $20, $120, $30, $50, and $180 in tips from Monday to Friday respectively, what is your average daily earning?

   • a) $50
   • b) $80
   • c) $100
   • d) $120
   Correct

   Incorrect

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