Ch. 9 Scatter Plots and Two Way Tables

Which graph has the best line of fit?

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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

Tags

CCSS.HSS.ID.B.6

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Which table below expresses this data as a percentage of the whole?

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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.

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.

A spelling bee compiled the following data about the lengths of the words it gave contestants and whether the words were spelled correctly or incorrectly.

• 32% of the words that were spelled incorrectly had 9 letters.

• 40% of the words that were spelled correctly had 6 letters.

• 80% of the words that had 8 letters were spelled incorrectly.

• 53% of the words that had 7 letters were spelled correctly.

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.

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.