Data Analysis Quiz

What type of association does the scatter plot show?

• A) nonlinear association

• B) no association

• C) negative association

• D) positive association

Tags

CCSS.HSS.ID.B.5

Part A: What is the meaning of 6.1 in this model?

• A) On average, children will weigh about 6.1 pounds when they are born.

• B) On average, children will weigh about 6.1 pounds when they are 10 years old.

• C) On average, children will gain about 6.1 pounds every year in their first 5 years.

• D) On average, children will gain about 6.1 pounds every 10 years.

Tags

CCSS.HSF.LE.B.5

What can be inferred if a scatter plot displays a collection of points that form a downward sloping line?

• A) There is a positive correlation between the variables

• B) There is a negative correlation between the variables

• C) The variables are unrelated

• D) The variables are categorical

Tags

CCSS.HSS.ID.B.5

When analyzing a scatter plot, what does it mean if the points are widely scattered around the line of best fit?

• A) The correlation between the variables is strong

• B) The correlation between the variables is weak

• C) The variables are not related

• D) The line of best fit is incorrectly calculated

Tags

CCSS.HSS.ID.B.5

Which of the following is true about the scatter plot's 'line of best fit'?

• A) It always passes through all the data points.

• B) It minimizes the total distance between itself and each data point.

• C) It represents the median value of the dataset.

• D) It is only useful for datasets with a negative correlation.

Tags

CCSS.8.SP.A.2

Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?

• 10
• 12
• 15
• 14

What type of association is shown?

• Positive, Clusters

• Negative, Clusters

• Positive, No Clusters

• Negative, No Clusters

Tags

CCSS.8.SP.A.1

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.

Tags

CCSS.8.SP.A.1

What does a scatter plot with points closely forming a straight line upward indicate about the two variables?

• Strong positive correlation

• Strong negative correlation

• No correlation

• Weak positive correlation

Tags

CCSS.HSS.ID.B.5

If a scatter plot shows a group of points that form a circle, what does this indicate about the relationship between the two variables?

• A strong positive correlation

• A strong negative correlation

• No correlation

• A perfect correlation

Tags

CCSS.HSS.ID.B.5