Analyze Data

When finding the median, what do you do if there are two middle numbers?

PICK TWO ANSWERS.

• Add them together and divide by 2

• Write them both as the answer

• Find the value that is between the two middle numbers.

• Pick one

What is the mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean

• Median

• Mode

• Range

Mary read six books in January, four books in February, and eight books in March. What was the mean number of books read each month? __________

• 18

• 6

• 14

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 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 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 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.

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.

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24

• 36

• 39

• 52