Analyzing and Comparing Data Sets

How many people watched more than 6 hours of TV?

• 10

• 5

• 20

• 17

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

• IQR

• Median

• Mean

• Standard Deviation

The total number of data values in this histogram is...

• 11

• 7

• 4

• 15

• 25

Corinne is planning a beach vacation in July and is analyzing the daily high temperatures for her potential destination. She would like to choose a destination with a high median temperature and a small interquartile range. She constructed box plots shown in the diagram above. Which destination has a median temperature above 80 degrees and the smallest interquartile range?

• Ocean Beach

• Whispering Palms

• Serene Shores

• Pelican Beach

Which histogram is bell-shaped?

• A

• B

• C

• D

• E

• a

• b

• c

• d

When comparing data sets, a higher Standard Deviation indicates...

• More consistency and less variability

• Less consistency and less variability

• More consistency and more variability

• Less consistency and more variability

How would the shape be affected if a value of 180 was added to the data set?

• skewed left

• skewed right

• normal

What is a bar graph and how is it used to represent data?

• A bar graph is a musical instrument used to represent data

• A bar graph is a type of exercise equipment used to represent data

• A bar graph is a type of food used to represent data

• A bar graph is a visual representation of data using rectangular bars. It is used to compare different categories of data and show the relationship between them.

How can bar graphs be used to compare data sets?

• By using pie charts instead

• By representing the data with line graphs

• Bar graphs visually represent the values of different data sets using bars of different lengths or heights.

• By using only one bar for all the data sets