Comparing Data on Graphs

Assuming the following plot records the grades my students made last semester, how many of my students made a "C" (70-79) in my course?

• 5

• 6

• 7

• 8

Select both the type of graph/plot pictured here, AND which type of data it represents.

• qualitative (categorical)

• quantitative

• line plot (aka "dot plot")

• stem and leaf plot

• histogram

Which statement(s) are correct based on this graph? Select all that apply)

• The most common number of defects per hour is 3.

• The most common number of defects per hour is 16.

• Most of the time there are at least 3 defects per hour.

• When Henry works, there are 12 defects per hour.

Based on the following pie chart, what is this household's total monthly income?

• $1900

• $2400

• $3100

• $3300

Based on the following pie chart, what part of this household's total monthly income is spent on food?

• 13%

• 19%

• 25%

• 50%

Based on the following time series charts, what statement(s) are true? (Select all that apply)

• time intervals go on the horizontal axis

• time series charts tell us how quantitative data performs over time

• time intervals go on the vertical axis

• time series charts are a line graph

How many people were surveyed all together?

• 380

• 125

• 160

• 230

Based on the following pie chart, what does this household spend the LEAST amount of money on each month?

• Housing

• Gas

• Insurance

• Entertainment

What time had the greatest amount of shoppers at the store?

• 10am

• 1pm

• 6pm

• 2pm

What is the difference between the number of shoppers at 2 pm and 3pm?

• 10

• 15

• 5

• 7