1-4 HW Data Distributions and Analysis

Which of the following best describes a uniform data distribution?

• The data is concentrated at one end.

• The data is evenly spread across all values.

• The data has two peaks.

• The data is concentrated in the center.

A histogram with a long tail to the right is said to be:

• Symmetrical

• Skewed to the left

• Skewed to the right

• Bimodal

What is the formula for the interquartile range (IQR)?

Tags

CCSS.6.SP.B.5C

A data set with two distinct peaks is called:

• Uniform

• Bimodal

• Skewed to the left

• Symmetrical

• 10

• 20

• 30

• 60

Tags

CCSS.6.SP.B.5C

Which of the following is used to identify an outlier in a data set?

• Both A and B

A stem-and-leaf plot is most useful for:

• Showing the proportion of categories

• Displaying the shape and spread of small data sets

• Comparing two variables

• Showing trends over time

Which type of graph is best for showing the percentage of a whole?

• Histogram

• Bar graph

• Pie chart

• Dot plot

If a data set is skewed to the left, which of the following is true?

• The tail is longer on the right

• The tail is longer on the left

• The data is evenly spread

• The data has two peaks