Analyze Data in Graphs

When was the greatest amount of shoppers at the store?

• 10am

• 1pm

• 6pm

• 2pm

Between which two times was the greatest increase in number of shoppers?

• 12pm and 1pm

• 1pm and 2pm

• 2pm and 3pm

• 10am and 11am

What is the general trend of this line graph?

• The more you mow, the less money you make.

• You make the same amount of money regardless of how long you mow.

• The more you mow, the more money you make.

• Mowing is dangerous.

A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?

• March

• May

• July

• August

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

What does a scatter plot with points closely following an upward sloping line indicate about the relationship between the two variables being plotted?

• No correlation

• Negative correlation

• Positive correlation

• Constant correlation

Which of the following scenarios is an example of using a scatter plot for making predictions?

• Calculating the exact value of a data point

• Estimating the sales based on advertising spend

• Counting the number of data points above the line of best fit

• Identifying the color of data points

How can you use a line of best fit to make predictions about data?

• By finding the average of all data points

• By drawing it through the highest and lowest points

• By using it to estimate values for one variable given values of the other

• By counting the number of points that touch the line

At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?

• 10°C in 5 min

• 10°C in 10 min

• 5°C in 5 min

• 5°C in 10 min

What label is along the y-axis in this graph?

• Copyright 2007

• Lines

• Age in Years

• Number of Teens