Chapter 11 Section 1

In person Exam or Proctored Online Exam

• In Person Exam

• Proctored Online Exam

What is true about a quantitative variable? (Select all that apply)

• It can be continuous or discrete.

• It is typically used to represent categorical data.

• It involves numerical values.

• It cannot be graphically represented.

• It can nominal or ordinal.

Number of hours studying for a test ​ (a)  

Problems missed on the test​ (b)  

• Explanatory
• Response

What type of direction would you expect?

Number of hours studying for a test and problems missed on the test

• Positive

• Negative

• No Correlation

What is true about outliers? (Select all that apply)

• Outliers are values that fall within the normal range of a dataset.

• Outliers are always considered errors or mistakes in the data.

• Outliers can significantly influence the mean and standard deviation.

• Outliers should always be removed from the dataset before conducting any analysis.

If we are given the fat content of an item, can we find the protein content? 

Which variable is the explanatory variable? ​ (a)  

Which is the response variable? ​ (b)  

• Fat Total
• Protein
• Item
• g
• McDonald’s breakfast items

If we are given the fat content of an item, can we find the protein content? 

Where will each go on the scatterplot?

b

a

Protein

Total Fat