Data and Statistics

Daphne is a full-time college student who works part-time as a server in a restaurant on the weekends.  The amount of money she made as tips for the last eight evenings she worked is shown in the table.

How much money did Daphne earn in tips each night, on average?

Answer explanation

Average is the synonym for mean. Add up all the values then divide by the number of values.

Add up all the numbers in a data set and divide by the number of data points.

• Mean

• Median

• Mode

• Range

Subtract the smallest number in the data set from the biggest number in the data set.

• Mean

• Median

• Mode

• Range

Order the numbers in the data set from smallest to biggest and find the middle number in the data set.

• Mean

• Median

• Mode

• Range

Find the Mean of the Data Set: 7, 8, 3, 4, 8

Find the Median in the Data Set: 7, 8, 3, 4, 8

Find the Range in the Data Set: 7, 8, 3, 4, 8

Javier recorded the temperature each day in the dot plot below. On how many days did Javier record the temperature?

• days

• 9 days

• 15 days

• 90 days

Javier recorded the high temperature each day in the dot plot below. What was the median temperature during the same period?

• 90 degrees Fahrenheit

• 89 degrees Fahrenheit

• 88 degrees Fahrenheit

• 87 degrees Fahrenheit

Which interval has the greatest number of employees?

• 11-21

• 77-87

• 33-43

• 44-54