math homeowrk

A survey of Baker College students enrolled in MTH401 (Summer 2013) produced the following results:

Using the information in the excel document, answer the following questions:

1. Using Excel, create a bar graph using the favorite tv sport (x) and the number of respondents (y). Make sure the bar graph is appropriately labeled and titled. Make sure the scale is reasonable. This video may be helpful: http://www.youtube.com/watch?v=_SnskklZ0No (5 points)

o Appropriately graphed (3 points)

o Appropriate title (1 point)

o Appropriate labels (1 point)

Scatterplot

Points Possible

Points Earned

Comments

Appropriately graphed

3

Appropriate title

1

Appropriate label

1

Total

5

2. Using your bar graph, answer the following questions (5 points):

a. Why did you choose the scale you did? (1 points)

b. What is the most popular sport to watch and why? (2 points)

c. What is the least popular sport to watch and why? (2 points)

Scatterplot Analysis

Points Possible

Points Earned

Comments

Why scale chosen?

1

What is the most popular sport and why?

2

What is the most popular sport and why?

2

Total

5

3. Consider a function, f, whose domain is the set of favorite sports watched on tv and whose range is the number of people who watch those sports. (20 points)

a. Write function f as a set of ordered pairs. Is this relation a function? Explain your answer. (10 points)

b. Write the relation that is the inverse of f as a set of ordered pairs. Is this relation a function? Explain your answer. (10 points)

Scatterplot Analysis

Points Possible

Points Earned

Comments

Function of f

2

Is the relation a function?

2

Why or why not (explanation)

6

Inverse of f

2

Is the relation a function?

2

Why or why not (explanation)

6

Total

20