Statistics practice

Mean, Median & Mode Lab

Read each data display, choose the right strategy, and see the reasoning after every answer.

This question Dot plot

Progress 1 of 10

Score 0 / 0

Accuracy —

Read the graph

Find the mean.

Your answer

For means, if the answer is not exact, round to 3 significant figures. Example: 6.666… becomes 6.67.

Which idea do I use?

1 Mean

Add every value, then divide by how many values there are.

2 Median

Put values in order and find the middle. With two middle values, average them.

3 Mode

Find the value that occurs most often. A taller stack or bar means a higher frequency.

Graph tip: Each dot represents one data value.