Question

c. graph the following information in a bar graph. label and number the x and y - axis appropriately.

of hours of study grade

0 20
2 60
4 70
6 80
8 90
10 100

1. what is the independent variable?
2. what is the dependent variable?
3. what is an appropriate title?
4. what was the average grade earned?

d. graph the following information in a line graph. label and number the x and y - axis appropriately.

Explanation:

Step1: Identify independent variable

The variable that is controlled or changed is the number of hours of study.

Step2: Identify dependent variable

The variable that depends on the independent variable is the grade.

Step3: Determine title

A suitable title could be "Relationship between Hours of Study and Grade".

Step4: Calculate average grade

Sum of grades: $20 + 60+70 + 80+90+100=420$. Number of data - points: 6. Average grade = $\frac{420}{6}=70$.

Answer:

1. # of Hours of Study
2. Grade
3. Relationship between Hours of Study and Grade
4. 70