Data Representations

Which statement is NOT true about the data in the stem-and-leaf plot?

• Seven students read less than 10 books.

• The most number of books read by any student was 31.

• 12% of the students read exactly 10 books.

• 75% of the students read more than 10 books.

Which statement is NOT true about the histogram?

• The polar bears scored 6 or 7 goals in 1 game.

• The polar bears scored 2 or 3 goals in 5 games.

• The polar bears scored 4 or 5 goals in 2 games.

• The polar bears played 16 hockey games last season.

which statement is TRUE based on the data in the stem-and-leaf plot?

• The range in the bushels per ace is 65 bushels.

• The median number of bushels per acre is 51.5 bushels.

• The mode number of bushels is 46 bushels.

• More farmers harvested less than 50 bushels than the number of farmers who harvested more than 50 bushels.

The dot plot shows the number of brothers and sisters twenty-one sixth graders have. Which statment is TRUE based on the data in the dot plot?

• Four students had no brothers or sisters.

• One student had 5 brothers and sisters.

• Twice as many students had 3 brothers and sisters as students who had 1 brother or sister.

• Exactly two students had more than 4 brothers and sister.

What is the interquartile range (IQR) of the data shown in the box plot above?

• 69

• 8

• 4

• 73

Over 5 days this week, Silvia walked 3 miles, 5 miles, 3 miles, 4 miles, and 6 miles. What is the mean number of miles Silivia walked each day?

• 4 miles

• 3.5 miles

• 4.2 miles

• 4.5 miles

The ages (in years) of the participants in a piano recital are 10, 12, 9, 13, 10, and 11. What is the mean age of the participants?

• 10

• 11

• 10.8

• 11.5

Which relative frequency table represents the data in the bar graph?

• 
• 
• 
• 

Which statement is NOT true based on the histogram?

• The median temperature was in the interval of 30°F - 33°F

• The highest temperature was in the interval of 38°F - 41°F

• Fifteen days in January the temperature was between 30°F - 33°F

• The lowest temperature was in the interval of 26°F - 29°F

Which set of the data has a median of 15?

• 3, 9, 6, 15, 14, 12, 11

• 21, 12, 15, 17, 6, 4, 19

• 18, 16, 15, 16, 12, 10

• 12, 13, 20, 24, 27, 15, 20