# Statisitics: Mean, Median, Mode and Pie Charts

Please see the attached file for the fully formatted problems.

1. Find the mean of the following set of numbers.

13, 15, 18, 18, 18, 19, 22, 26, 28, 33

2. Find the median of the following set of numbers.

24, 26, 31, 33, 35, 36

3. Find the mode of the following set of numbers.

22, 55, 43, 26, 33, 36, 43, 25

4. Find the first and third quartiles, Q1 and Q3, of the following set of numbers.

14, 4, 13, 18, 6, 15, 6, 2, 11, 6

5. Find the five-number summary of the following set of numbers.

10, 4, 9, 12, 6, 11, 6, 2, 7, 6

6. Place the following set of numbers in ascending order.

7. Evaluate

8. Subtract -1.9  (-9.7).

9. Multiply (-7.5)(9)(-7).

10. Perform the indicated operation.

Real World Applications (Remember to show all steps.)

11. Fiona kept the following records of her phone bills for 12 months:

$42, $37, $51, $41, $58, $44, $42, $35, $53, $58, $46, $57

Find the mean and median of Fiona's monthly phone bills.

Use the following to answer questions 12 - 14.

12. Use the world population and land area table.

What is the total land area in Africa as a percent of Earth?

13. Use the world population and land area table.

What is the total land area of South America?

14. Use the world population and land area table. Round the answer to the nearest tenth of a percent.

What was the percent increase in population in South America from 1900 to 1950?

15. The table below gives the median household income by race and Hispanic origin of householder according to the 2000 census.

Race and Hispanic Origin Income

White non-Hispanic $45,856

Black $30,439

Asian and Pacific Islander $55,521

Hispanic (of any race) $33,447

Create a bar graph from this information.

16. Use the graph below, showing the total U.S. motor vehicle production for the years 1996 to 2002, to answer the question.

What was the production in 1996?

17.

Use the graph, showing the yearly food costs of a family.

What was the mean cost (to the nearest cent) of food for this family in the 7 years from 1999 to 2005?

18.

The graph and table below show the income for a local company. Use this information to predict the income in the year 2005.

Year Total Income (in millions)

1980 $6.3

1985 $21.5

1990 $39.8

1995 $57.4

2000 $65.3

19.

The following table gives the population of certain states according to the 2000 census.

State Population

California 33,871,648

Florida 15,982,378

Michigan 9,938,444

Pennsylvania 12,281,054

Washington 5,894,121

Construct a bar graph from this information.

20.

The following pie chart shows the budget for a local company. The total budget is $860,000. Find the amount budgeted in the category of operating expenses.