Scatterplot and Bivariate Data Analysis Quiz

What is a scatterplot used for in bivariate data analysis?

• To display the relationship between two variables

• To calculate the mean of a dataset

• To find the median of a dataset

• To determine the mode of a dataset

Tags

CCSS.8.SP.A.1

Which correlation coefficient value indicates a perfect positive correlation?

• -1

• 0

• +1

• +0.5

Tags

CCSS.HSS.ID.B.5

Identify the type of correlation in Mr. Brown's graph.

• Strong Positive

• Strong Negative

• Weak Positive

• Weak Negative

Tags

CCSS.HSS.ID.B.5

Which of the following steps is necessary to create a scatterplot in Desmos?

• Click the plus sign and select table

• Click the minus sign and select graph

• Click the plus sign and select graph

• Click the minus sign and select table

Tags

CCSS.8.SP.A.1

What is the correlation coefficient \( r \) mentioned in the document?

• 0.8562

• 0.9253

• 0.9263

• 0.9353

Tags

CCSS.HSS.ID.C.8

What is the predicted gross revenue if a concert sells 77,000 tickets?

• 8.2 million

• 9.2 million

• 10.2 million

• 7.2 million

Tags

CCSS.HSF.BF.A.2

For the data set with x-values 3, 4, 5, 6, 7, 8, 9 and y-values 7, 7.4, 7.88, 7.64, 7.72, 8.2, 7.32, what is the equation of the line of best fit?

• y = 0.09x + 7.08

• y = 0.09x - 7.08

• y = -0.09x + 7.08

• y = 0.09x + 8.00

Tags

CCSS.8.EE.B.5

For the data set with speed (x) and time (y) values: (20, 85), (25, 87), (30, 75), (35, 82), (40, 69), (45, 73), (50, 60), (55, 57), (60, 45), (65, 49), what is the equation of the line of best fit?

• y = -0.93x + 107.87

• y = 0.93x + 107.87

• y = -0.93x - 107.87

• y = 0.93x - 107.87

Tags

CCSS.8.EE.C.8C

Which of the following best describes the relationship shown in a scatterplot where the points form a downward trend?

• Negative correlation

• Perfect correlation

• No correlation

• Positive correlation

Tags

CCSS.HSS.ID.B.5

If the correlation coefficient between two variables is close to 0, what does this indicate about their relationship?

• There is a strong positive relationship

• There is a strong negative relationship

• There is little to no linear relationship

• The variables are perfectly correlated

Tags

CCSS.HSS.ID.B.5