Dot Plot Center Shape Spread

What is shape of the data?

• uniform

• skewed left

• skewed right

• symmetrical

Which statement best describes this graph?

• There is a peak at 47.

• There is a cluster around 38-40.

• The mode is 40, 28 and 42

• There is a gap in the data between 39-40.

Where is the gap in the data?

• 17

• 19

• 22

• 26

The ages of nine employees at a company are shown below.
45, 50, 52, 58, 63, 63, 41, 58, 49
The company hires a tenth employee who is 28 years old. What effect does the new employee have on the shape of the data distribution?

• The new employee causes the distribution to become skewed to the right.

• The new employee causes the distribution to be skewed to the left.

• The new employee causes the distribution to become more symmetrical.

• The new employee causes the distribution to become less spread out.

Compare the centers and spreads. 

•  Math has a higher median (center) and a wider spread.

•  Math has a higher median (center) and a smaller spread.

• Math has a lower median (center) and a smaller spread.

• Math has a lower median (center) and a wider spread.

Which of the following statements are true?

• There is an outlier at 17.

• The range is 18.

• 19 tickets were sold.

• All of the above.

• A

• B

• C

• D

Members of the drama club are getting measured for costumes. The dot plot below shows the height of distribution of the club in inches. Which statement about the data is true?

• The median is 54.5 and the IQR is 2.5"

• The median is 54 and the IQR is 2.5”

• The median is 53.5 and the IQR is 2”

• The median is 55 and the IQR is 3”

What does the red arrow represent in the dot plot?

• spread

• mean

• outlier

• median

Members of the drama club are getting measured for costumes. The dot plot below shows the height of distribution of the club in inches. Which statement about the data is true?

• The median is 54.5 and the IQR is 2.5"

• The median is 54 and the IQR is 2.5”

• The median is 53.5 and the IQR is 2”

• The median is 55 and the IQR is 3”