Scatter Plots and Frequency Tables

The number of miles Sally walks varies according to the day of the week, as shown in the scatter plot below.

Based on the information in the scatter plot, which statement is true?

• The number of miles increases until Thursday and then decreases until Friday.

• The number of miles decreases until Thursday and then increases until Friday.

• The number of miles consistently increases Monday through Friday.

• The number of miles consistently decreases Monday through Friday.

Tags

CCSS.HSF.IF.B.4

What type of correlation does this scatter plot have?

• positive

• negative

• none

• all of the above

Label the type of association shown by the scatter plot as positive, negative or none.

• positive

• negative

• none

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What relationship is shown in the scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is not relationship between cost and the number sold.

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade.

• No relationship exists between the number of books students read and their English grades.

Tags

CCSS.8.EE.B.5

Which statements correctly describe this relationship?

• The relationship between the variables are linear, positive correlation, and line of best fit does go through the origin.

• The relationship is nonlinear, positive correlation, and line of best fit goes through the origin.

• There is no relationship between the variables.

• The relationship between the variables are linear, negative correlation, and line of best fit is negative.

Tags

CCSS.8.F.A.3

The two–way frequency table below shows the number of customers who bought fruit that was either fresh or frozen at the grocery store. Select ALL that apply.

• Customers who bought oranges tended to pick fresh oranges.

• Customers who bought apples tended to pick frozen apples.

• Customers who bought fruit tended to pick frozen fruits.

• Customers who bought strawberries tended to pick fresh strawberries.

John plotted points on a graph to see if there was a relationship. Then he drew a line of best fit based on the fact that his line went through the most points possible.

Decide whether which statements are False.

• John's line of best fit is correct.

• John's line of best fit should be higher to be closer to all of the points.

• John's line of best fit should be lower so that it will go through more points.

Tags

CCSS.8.EE.B.5