Scatter Plots Checkup

Front

Based on the data of the scatter plot, what would you expect the sales to be when it is 20 degrees? Options: 400, 500, 450, 350

Back

450

Front

Which scenario would most likely show a negative association between the variables?

• the height of a tree, x, and the amount of time it takes to climb to the top of the tree, y
• the number of people in the mall, x, and the number of cars in the parking lot, y
• miles traveled in a car, x, and the amount of gasoline used, y
• time spent reading a book, x, and the number of pages left to read, y

Back

time spent reading a book, x, and the number of pages left to read, y

Front

Describe the association shown in the scatter plot between the age of a motorcycle and the sale price of the motorcycle. Fill in the blanks: The scatter plot shows ______________________ association because as the age of a motorcycle increases, the sale price _____________________ .

Back

a negative, decreases

Front

What would the line of best fit reveal about the data in a scatter plot showing sizes and annual rents of office spaces?

Back

There is a strong positive relationship between the cost of rent and the size of the office space.

Front

A scatter plot for calories burned and minutes of exercise is drawn. Observe the graph carefully and identify the outliers present.

Options:

(140,150)

,

(150,140)

,

(180,450)

,

None of these

Back

(140,150)

Front

In the scatter plot for calories burned and minutes of exercise, what is the context of the outliers present? Options: The person who exercised for 140 minutes burned 150 calories, The person who exercised for 150 minutes burned 140 calories, The person who exercised for 180 minutes burned 450 calories, Not applicable - there is no outlier.

Back

The person who exercised for 140 minutes burned 150 calories.

Front

Equation of the line of best fit for the scatter plot.

Back

y = x + 5

Front

Which statement about the scatter plot is true?
Options:

• There is no association between x and y.
• There is a positive, linear association between x and y.
• There is a negative, linear association between x and y.
• There is a nonlinear association between x and y.

Back

There is a negative, linear association between x and y.

Front

Which of these most closely approximates a line of best fit for the data in the scatter plot? Options: , , ,

Back

Front

A graph is drawn by a student representing number of people on the x−axis and hours worked per week on the y−axis. Which of the following options represents the association shown by this graph: Weak and non linear, Negative and Non linear, Weak and negative, No association.

Back

No association