Describing Data

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

• 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

Solve

• A

• B

• C

• D

Describes a distribution of data that is distorted or non-symmetrical when graphed. The data appears shifted to the left or to the right.

• Approximately Symmetrical

• Uniform

• Skewed

• Symmetrical

m = 8, n = 10

• m = 8, n = 10

• m = 1, n = 1

• m = 3, n = 6

• m = 6, n = 3

A florist recorded the number and cost of flower bouquets that were sold daily and recorded the data below. What is the frequency of a bouquet that cost at least $40?

• 2

• 15

• 22

• 37

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

• Uniform

Describes a distribution of data in which the two "halves" appear as mirror-images of one another when graphed.

• Symmetrical Data

• Skewed Data

• Uniform Data

• Approximately Symmetrical