AP STATS Warm Up #2

The back- to –back stemplot shows the amount of protein in certain foods. Which of the following is a true statement?

• The distribution of dairy products is skewed left.

• The distribution of legumes, nuts and seeds is skewed left.

• Both distributions are skewed right.

• Both distributions are relatively symmetric. 

The stemplot displays the 1988 per capita income (in hundreds of dollars) of the 50 states.  Which of the following best describes the data?

• Skewed distribution, mean greater than median

• Skewed distribution, median greater than mean

• Symmetric distribution, mean greater than median

• Symmetric distribution, median greater than mean

• Symmetric distribution with outliers on high end

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

As part of survey of college students a researcher is interested in the variable "class standing". She records a 1 if the student is a freshman, a 2 if the student is a sophomore, a 3 if the student is a junior, and a 4 if the student is a senior. The variable "class standing" is

• Categorical

• Quantitative

• Quantitatively categorical    

• all of the above

For which of the following distributions is the mean greater than the median?

• A

• B

• C

• D

• E

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The following histogram shows the ages, in years, of the people who attended a documentary at a movie theater.

Based on the histogram, which of the following statements best describes the relationship between the mean and the median of the distribution of ages?

• The mean and the median are equal in value because the distribution is symmetric.

• The mean is most likely less than the median because the distribution is skewed to the right.

• The mean is most likely less than the median because the distribution is skewed to the left.

• The mean is most likely greater than the median because the distribution is skewed to the right.

• The mean is most likely greater than the median because the distribution is skewed to the left.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

All of the below sets have the same mean.

Set 1-Standard Deviation=3.1

Set 2-Standard Deviation=4.9

Set 3-Standard Deviation=1.7

Set 4-Standard Deviation=3.2

Which set of data has the least amount of variability?

• 1
• 2
• 3
• 4