Statistics and Data Review

What is the missing value in the table?

• $16

• $32

• $96

• $192

What is the ratio of the number of boys that signed up to play basketball to the number of girls that signed up to play soccer?

• 5:18

• 6:6

• 6:18

• 18:6

16.

• 4.8%

• 48%

• 68%

• 400%

Nicholas wants to collect statistics about the sixth grade at his middle school. Which question is the best example of a statistical question Nicholas could ask?

• What is my best friend's favorite color?

• How tall is the first person that walks in my math class today?

• How many hours every week do students play video games?

• During what month was my classmate, George, born?

A histogram displays the number of hours students spend on homework each week. If the 0-1 hour range has the smallest bar, what does this suggest?

• No students spend 0-1 hour on homework.

• Few students spend only 0-1 hour on homework each week.

• Most students spend 0-1 hour on homework.

• The data is incorrect.

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 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 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.

21.

• 40.5

• 43

• 45.5

• 48