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Practice with Data Analysis

Kem Carter 3.14.11

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A B C D

Maria grew the ‌‌plants shown below.

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Some plants have one flower, and some have two flowers.

‌‌Some have light flowers, and some have dark flowers.

Which frequency table correctly describes Maria’s plants?

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A B C D

David went fishing. He recorded the length in centimeters of each fish he caught.

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22, 34, 35, 18, 20, 39, 21, 35, 12

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Which frequency table organizes this set of data correctly?

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A. Give a written survey to 100 people asking how they use lotion��B. Ask 100 people through a phone survey if they have ever tried any of the lotions��C. Have 100 people try each lotion at a store and record their opinions of each scent��D. Mail a sample of one lotion scent to 100 people and ask them to send back their opinions�

The makers of Fancy Lotions‌‌ want to know which of their‌‌ five ‌‌lotion scents‌‌ people like the‌‌ best. Which of these would‌‌ provide the‌‌ MOST helpful information?

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A B C D

The highway mileage for a set of cars ‌‌is shown below.

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24‌‌‌‌ 35‌‌‌‌ 22‌‌‌‌ 29‌‌‌‌ 33‌‌‌‌ 40 20‌‌‌‌ 24‌‌‌‌ 18‌‌‌‌ 27‌‌‌‌ 25‌‌‌‌ 19

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Which of these stem-and-leaf plots organizes these data?

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Hannah wants to study how ‌‌long her friends exercise. Which data is most important for Hannah to collect?

A. The number of minutes of exercise that is recommended for good health

B. The number of minutes each exercise should take

C. The number of minutes her friends exercise each week

D. The number of minutes her friends rest between exercises

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A B C D

Harlin planted sunflowers in his garden. The garden had 37 sunflower blooms during the first summer. The table below shows the number of blooms during the first five summers.

Which line graph correctly displays these data?

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Customers at the local store‌‌ were asked how many minutes they had‌‌ spent shopping on two different days. The results of the survey are shown on this chart.

Based on the data, which amount of time did the most customers spend shopping?

A. less than 5 minutes

B. between 5 to 10 minutes

C. between 10 to 20 minutes

D. over 20 minutes

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Monique‌‌did a survey of the ages of the teachers in her school. She recorded the results on this line plot.

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What can‌‌ Monique say about the ages of most of the teachers?

A. Most of the teachers are under 35 years old.

B. Most of the teachers are more than 38 years old.

C. Most of the teachers are between 35 and 40 years old.

D. Most of the teachers are between 40 and 48 years old.

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Andy surveyed the students in his math class to find out how many pets each of the students had. His results are shown in the frequency table below.

How many students in Andy’s class have 2 or more pets?

A. 4

B. 5

C. 9

D. 16

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A B C D

The data below show the numbers of library books checked out by 20 families.

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3‌‌‌‌ 4‌‌‌‌ 1‌‌‌‌ 5‌‌ ‌‌8 2‌‌‌‌ 2‌‌‌‌ 1 ‌‌‌‌3‌‌‌‌ 7 6‌‌‌‌ 5 ‌‌‌‌ 3 ‌‌‌‌ 9 ‌‌‌‌ 4 4‌‌‌‌ 2 ‌‌‌‌ 4‌‌‌‌ 5 ‌‌ ‌‌3

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Ronnie is choosing a graph to represent the data. Which graph is the‌‌ LEAST efficient at showing the data?