Data Representation and Analysis

The list shows the amount of flour in pounds used by a bakery each day for 15 days.

16, 17, 18, 19, 20, 23, 24, 29, 30, 31, 32, 32, 32, 32, 35

Which box plot best displays a summary of these data?

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Tags

TEKS.MATH.6.12A

The table shows the number of photocopies made during one day at each of the 25 schools in a school district.

Which histogram displays all the data in the table correctly?

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Tags

TEKS.MATH.6.12A

The dot plot shows the number of packages mailed by the last 20 customers at a post office.

Which statement best describes the data shown in the dot plot?

• The data distribution has gaps.

• The data distribution is symmetrical.

• The data are clustered at 5.

• The peak of the data is at 10.

A set of data consists of the numbers 5, 1, 2, 4, 3, and 9. Which statement is true about this data set?

• The mean and the median are both 4, and the range is 8

• The mean and the range are both 4, and the median is 3.

• The range is 4, and the median is 3.5.

• The mean is 4, and the median is 3.5.

Tags

TEKS.MATH.6.12C

The list shows the number of heartbeats per minute for each of 12 people during different exercises.

86, 80, 73, 75, 70, 82, 72, 81, 84, 82, 75, 82

What is the median number of heartbeats per minute for the data in the list?

• 80.5

• 78.5

• 16

• 82

The table shows the low temperature in degrees Fahrenheit for a city each day for 12 days.

What is the range of the temperatures in the table?

• 41°

• 43°

• 31°

• 59°

A skateboarder recorded the colors of the skateboards in use at a skate park one day.

The tally chart shows the frequency of each color.

Which colors represent the mode of the data?

• Red and blue

• Blue and green

• Silver and red

• Green and silver

Students at two high schools were asked about their plans after graduation. The table displays the results for 300 students at Henderson High School.

The bar graph displays the results for 300 students at Johnson High School.

Which statement about the results from Henderson High School and Johnson High School must be true?

• The number of students who selected "armed forces" or "other" is greater for Henderson High School than for Johnson High School.

• College is associated with the mode for each high school.

• The number of students who selected "work" is greater for Johnson High School than for Henderson High School.

• There is no mode associated with either high school.

The bar graph shows the flavors of gum bought yesterday by the customers at a store. Each customer bought only 1 flavor of gum.

Which statement is NOT supported by the data displayed in the bar graph?

• The same number of customers bought peppermint as the number of customers who bought cinnamon.

• The mode flavor was watermelon.

• There were 120 customers who bought gum yesterday.

• There were 2.5 times as many customers who bought spearmint as customers who bought peppermint.

On Saturday Kai gave his guinea pig 80 grams of food. The table shows the amount of each type of food he gave to the guinea pig.

Which percentage bar graph best represents the data?

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