Unit 10 Data and Statistics

The line plot shows the number of pounds of fish eaten by each dolphin at the zoo. Which stem and leaf plot best represents the data in the line plot?

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The dot plot shows the number of touchdowns a football team scored in 10 games last season. Which statement best describes the data shown in the dot plot?

• The peak of the data is at 5.

• The data are clustered from 0 to 2.

• The data distribution has no gaps.

• The data distribution is symmetrical.

The list shows the number of licenses issued every year to lobster boats in Massachusetts for a five-year-period. What is the range of these data?

• 534

• 540

• 21

• 25

The students in a class were each asked to name their favorite meal of the day. The results are shown in this percentage bar graph. Which table could be represented by the percentage bar graph?

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Hector surveyed all the sixth graders at his school about their favorite after-school activity. The table shows the results that were used to make a bar graph. Which percentage bar graph best represents the data?

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Shemar bought a bag of marbles. He took the marbles out of the bag one at a time. He recorded the color of each marble in this tally chart. In which table do the percentages represent the relative frequency of these marble colors?

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As part of a survey, a group of people were asked to name their preferred method of viewing television shows. Their responses are shown in the table. Which percentage bar graph best represents the data?

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The box plots summarized the attendance for the spring musical and the fall musical. Each musical was performed for six evenings.

• The range in attendance for the fall musical is 85.

• The interquartile range for the spring musical is 45.

• For half the evenings at the fall musical, the attendance was less than 160 people.

• For half the evenings at the spring musical, the attendance was between 155 and 200 people.

The total number of items sold by each student who participated in a fund-raiser is shown in the stem and leaf plot. Which statement is best supported by the data in the stem and leaf plot?

• The number of students who sold between 10 and 20 items is greater than the number of students who sold more than 40 items.

• The number of students who sold more than 30 items is greater than the number of students who sold fewer than 30 items.

• Teh most common number of items sold is 30.

• The most common number of items sold is 15.

Students recorded the amount of liquid in fluid ounces each of them drank in one day. The box plot shows the summary of the results. Which statement best describes the data represented in the box plot?

• Half the students drank from 78 to 114 fluid ounces.

• The greatest number of students drank from 30 to 78 fluid ounces.

• The data represent 78 student responses.

• The mean number of fluid ounces that the students drank is 78.