Data Review

• F
• G
• H
• J

• A
• B
• C
• D

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• B
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• D

• A
• B
• C
• D

A scatter plot shows the relationship between age and height of children. If older children are generally higher on the y-axis, what does this imply?

• Older children are usually shorter.

• Height decreases with age.

• Older children are usually taller.

• Age and height are not related.

A histogram shows the scores on a math test. If the 70-79 range has the tallest bar, what does this indicate?

• Most students scored between 70 and 79.

• The test was out of 70-79 points.

• One student scored between 70 and 79.

• The average score was between 70 and 79.

A histogram shows the distribution of students' ages in a school. If the 10-12 age group has the highest frequency, what does this tell us?

• Students aged 10-12 are the youngest.

• Most students are aged between 10 and 12.

• No students are older than 12.

• Students aged 10-12 are the majority.

A pie chart represents the types of books read by a class. If 30% of the chart is dedicated to fiction books, what does this percentage signify?

• 30% of the books are non-fiction.

• 30% of the students dislike fiction.

• 30% of the books read are fiction.

• Each student reads 30 fiction books.

A pie chart shows the favorite colors of a class. If the segment for blue is larger than that for red, what does this tell us?

• Blue is the only favorite color.

• More students choose blue as their favorite color than red.

• Red is less popular than blue.

• B) and C) are correct.

A scatter plot shows the relationship between hours studied and test scores. If there is a trend line going upwards, what does this suggest?

• As study hours decrease, test scores increase.

• As study hours increase, test scores decrease.

• As study hours increase, test scores increase.

• There is no relationship between study hours and test scores.