# Basic Statistics and Bar Graphs

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

0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27

a. 0.16; 0.28

b. 0.18; 0.27

c. 0.16; 0.27

d. 0.18; 0.28

2. Continent or Region Land Area (1,000 mi2) % of Earth Population 1900 Population 1950 Population 2000

North America 9,400 16.2 106,000,000 221,000,000 305,000,000

South America 6,900 11.9 38,000,000 111,000,000 515,000,000

Europe 3,800 6.6 400,000,000 392,000,000 510,000,000

Asia (including Russia) 17,400 30.1 932,000,000 1,591,000,000 4,028,000,000

Africa 11,700 20.2 118,000,000 229,000,000 889,000,000

Oceana (including Australia) 3,300 5.7 6,000,000 12,000,000 32,000,000

Antarctica 5,400 9.1 Uninhabited --- ---

World Total 57,900 1,600,000,000 2,556,000,000 6,279,000,000

3. Using MS Excel, create a bar graph for the total world population in 1950, using the information given in the world population and land area table. Copy and paste your bar graph below.

4. Using the world population and land area table, what is the total land area in Oceana as a percent of Earth?

________________ is the total land area in Oceana as a percent of Earth.

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

347, 242, 146, 391, 249, 567, 277, 218, 319 Q1 = __________ Q3 = __________

6. The following table gives the population of certain states according to the 2000 census. Construct a bar graph from this information.

State Population

Illinois 12,419.293

New Jersey 8,414,350

New York 18,976,457

Tennessee 5,689,283

Texas 20,851,820

7. Closing prices for Company A stock are shown during a 2-week period. Find the five-number summary for these data.

Day 1 2 3 4 5 6 7 8

Price 54.08 53.85 53.38 53.14 53.21 53.79 54.15 54.35

8. Find the five-number summary for the set of numbers.

0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27

9. Add

A .1/8

b. 13/35

c. -1/8

d. -13/35

10. Evaluate

11. subtract. -7.1(-8.3) 

a. -15.4

b. 1.2

c. 15.4

d. -1.2

12. Multiply (7.6)(1)(-6)

a. 273.6

b. -45.6

c. -456

d. 7.6

13. Divide

a. 4

b. 5 1/18

c. 5

d. 45/8

14. find the reciprocal of

a.

b.

c.

d.

15. subtract

a. 0

b. 1/18

c. 3/2

d.

16. multiply

a.

b. 6

c. -6

d.

17. perform the indicated operation.

a.

b.

c.

d. 180

18. perform the indicated operation.

a. 5

b.

c.

d. Undefined

19. Which of the following numbers are integers?

2/11, 705, 0.033, -780, 86.7

a. 705 and 780

b. 2/11

c. -780

d. 0.033 and 86.7

20. find the reciprocal of

a.

b.

c.

d.-

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

25, -13, 8, -2, 13, 3, 18

22. Add -26+(-29) 

23. Find the reciprocal of

24. Evaluate

25. Place the following set of numbers in ascending order

26. Multiply (-4)(1)(-10)

27. Divide -15/-3

28. Which of the following numbers are integers?

75, 9.82, -1/14, -498, 0.71

#### Solution Preview

... below.

Continent or Region Land Area (1,000 mi2) Population 1950

North America 9,400.00 221,000,000.00

South America 6,900.00 111,000,000.00

Europe 3,800.00 392,000,000.00

Asia 17,400.00 1,591,000,000.00

Africa 11,700.00 229,000,000.00

Oceana 3,300.00 12,000,000.00

Antarctica 5,400.00 -

World total 57,900.00 2,556,000,000.00

4. Using the world population and land area table, what is the total land area in Oceana as a percent of Earth?

_________5.7%_______ is the total land area in Oceana as a percent of Earth.

* 100 = 5.7%.

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

347, 242, 146, 391, 249, 567, 277, 218, 319 Q1 = _____230_____ Q3 = 369

Arrange from lowest to largest:

146, 218, 242, 249, 277, 319, 347, 391, 567

Median = 277

First quartile: 146, 218, 242, 249

=

= 230

Third quartile: 319, 347, 391, 567

=

= 369

6. The following table gives the population of certain states according to the 2000 census. Construct a bar graph from this information.

State Population

Illinois 12,419.293

New Jersey 8,414,350

New York 18,976,457

Tennessee 5,689,283

Texas 20,851,820

7. Closing prices for Company A stock are shown during a 2-week period. Find the five-number summary for these data.

Day 1 2 3 4 5 6 7 8

Price 54.08 53.85 53.38 53.14 53.21 53.79 54.15 54.35

...