Unit 1 Stats Quiz Review

How many employees are there that make between $33,000 and $43,000

• 250
• 500
• 550
• 750

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 

• 7:00-7:59 P.M.
• 8:00–8:59 P.M.
• 9:00–9:59 P.M.
• 10:00–10:59 P.M. 

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.

What is incorrect about the following histogram?

• The intervals are too small
• The intervals overlap
• The graph does not start at 0
• The axes are not labeled.

Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?

• 18.9%
• 31%
• 22.1%
• 10%

How many students have more than 1,000 songs on their MP3 player?

• 5
• 16
• 10
• 4

What percent of students have less than 1,000 songs on their MP3 players?

• 15%
• 80%
• 20%
• 45%

How many scores are listed in this Stem and Leaf Plot?

• 3
• 6
• 9
• 18

What is the range of the data shown in the stem and leaf plot?

• 40
• 56
• 136
• 96