Unit 6 Review

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association
• Negative linear association
• No association
• Positive linear association

Write the equation for the line in slope-intercept form.

• y= -1x+3
• y= 4x+3
• y=1/4x+3
• y= -4x+3

Describe the association for the graph.

• Linear and Positive

• Linear and Negative

• Non-Linear and Negative

• Non-Linear and Positive

• Non-Linear and No Association

Which scatter plot shows no relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?

• $240
• $190
• $210
• $300

Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week, if that person spends an average of 10 hours on recreational activities every week?

• 33 hours
• 85 hours
• 50 hours
• 65 hours

Based on the scatterplot, what is the best prediction of a person's average typing speed if the person has spent 70 hours learning to type?

• 100 words per minute
• 55 words per minute
• 85 words per minute
• 70 words per minute

Which scatter plot shows a negative relationship?

• Graph A
• Graph B
• Graph C
• Graph D

What is the formula of this graph?

• y = - 2/3x + 5

• y = 2/3x + 5

• y = - 5x + 2/3

• y = 5x + 2/3

Based on the trend in the data, approximately how many free throws would a player be expected to make if he attempted 60 free throws?

• 50
• 35
• 25
• 60