Data Displays Review

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.

• No, because a histogram displays numerical data while a bar graph displays categorical data.

• Yes, because they both use bars to display data.

• No, because a histogram displays categorical data while a bar graph displays numerical data.

The vertical axis of a line graph is called the __________.

• slope

• line of best fit

• x-axis

• y-axis

Which of the following statements corresponds to a frequency distribution?

• a table that shows the number of times a data entry appears in a data set.

• a data set that shows the number of data entries that appear in a time.

• a conclusion drawn from a sample.

• the boundaries between two consecutive bars.

How many classes are there?

• 6

• 30

• 1-5

• 1-30

What is the midpoint of the first class?

• 4

• 5

• 1

• 3

What is the relative frequency of the first class?

• 0.139 or 13.9%

• 0.5 or 5%

• 1-5

• 5

Observe the frequency distribution:

Estimate the class width.

• 11

• 10

• 25

• 19.5

Observe the histogram and choose the frequency distribution that corresponds to it.

• 
• 

What is the shape of the distribution?

• Skewed Left 

• Skewed Right

• Symmetric

• Bimodal