Question

The following dot plots show the average high temperatures (in degrees Celsius) for a sample of tourist cities from around the world. Both the January and July average high temperatures are shown. What is one statement that can be made with certainty from an Page Number: 704 analysis of the graphical display?

a. Every city has a larger average high temperature in July than in January.

b. The distribution of temperatures in July is skewed right, while the distribution of temperatures in January is skewed left.

c. The median average high temperature for January is higher than the median average high temperature for July.

d. There appear to be outliers in the average high temperatures for January and July.

e. There is more variability in average high temperatures in January than in July

Short answer

The correct option is - (e) There is more variability in average high temperatures in January than in July .

Step-by-step solution

Given Information 

We are given a graph which shows average high temperatures in January and July .

Explanation 

We see there is more variability in the average high temperature for the month of January than July . In the month of July , the temperature seems to be more concentrated towards a specific section of high temperatures .