Question 37·Easy·One-Variable Data Distributions; Measures of Center and Spread
The dot plot above shows the number of points scored by 6 players in a game.
Which choice is the mean number of points scored by the 6 players?
For mean questions from a dot plot, first translate the picture into a list by writing each dot as a value (including repeats). Then add the values and divide by how many dots there are. Double-check you counted every dot so you divide by the correct number.
Hints
Count the dots
Make sure you use all 6 data points shown in the dot plot.
Find the total
Add the point values represented by the dots to get the total points scored.
Divide by the number of players
The mean equals the total points divided by 6.
Desmos Guide
Enter the data in a list
In Desmos, type a list using the values from the dot plot: L=[2,3,3,4,6,6].
Compute the mean
Type mean(L) and read the value Desmos displays.
Match to a choice
Choose the answer option that matches the mean shown by Desmos.
Step-by-step Explanation
Read the data values
From the dot plot, the 6 values are , and .
Compute the mean
Add the values: .
Divide by the number of values, : . Therefore, the mean number of points scored is .