Statistics - Scatterplot Pre Assessment

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

Name the correlation in this graph

• Positive correlation

• Negative correlation

• No correlation

• Lots of correlation

Name the correlation in this graph

• Negative correlation

• No correlation

• Lots of correlation

• Positive correlation

What type of relationship does this graph have?

• Positive
• Negative
• No Relationship
• Constant 

Which scatter plot shows no relationship?

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

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true? 

• There is a negative relationship between height and weight
• There is a positive relationship between height and weight
• There is a constant relationship between height and weight
• There is no relationship between height and weight

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks.  The scatter plot shows the results.  Which statement is true?

• More ticket writers results in fewer tickets issued.
• There were 50 tickets issued every week.
• When there are 10 ticket writers, there will be 800 tickets issued.
• More ticket writers results in more tickets issued.

The graph shows the relationship between the amount of gas in a car's tank after going on a trip.  Which is the closest to the amount that would be in the tank after traveling 90 miles?

• 9 gallons
• 7 gallons
• 10 gallons
• 8 gallons

The amount of time studying for your next test and the grade you make on it. Which is the response variable?

• Amount of time studying for your next test

• Grade you make on test

Records of sales of umbrellas and amount of rainfall suggests that there is a strong positive relationship between the two variables. What do you think about the situation in terms of explanatory and response variables?

• Amount of sales of umbrellas is an explanatory variable.

• Amount of rainfall is an explanatory variable

• The connection between the variables is not clear

• The two variables are independent of each other.