Question

find the mean of the data in the pictograph below.
pieces of stinky cheese
= 1 piece of cheese
pieces of stinky cheese in each students lunch box
student

Explanation:

Step1: Count data values

Caroline has 2 pieces, Samuel has 3 pieces, Lily has 4 pieces, Aaron has 4 pieces.

Step2: Calculate sum of data

$2 + 3+4 + 4=13$

Step3: Determine number of data - points

There are 4 students, so $n = 4$.

Step4: Calculate the mean

The mean $\bar{x}=\frac{13}{4}=3.25$

Answer:

$3.25$