Lab Midterm practicum

Question 1

Bar graphs

Answer 1

Use bar graphs if the independent variable is non-numerical.

• not numerical, not a continuum.

Question 2

Pie Charts

Answer 2

Pie charts are useful when you want to show proportions.

Question 3

Dependent variable

Answer 3

• measured in the experiment and plotted on the verticle Y axis
  *

Question 4

Independent Variable

Answer 4

• Plotted on the x axis

Question 5

Indetify independent and dependent variables

Answer 5

• (independent variable) causes a change in (dependent variable) and it isn’t possible that (dependent variable) could cause a change in (independent variable)

Question 6

Line graph

Answer 6

• used to compare changes over short and long periods of time
• if the independent variable is numerical and continuous

Question 7

Describe a caption

Answer 7

1. Y axis vs. X axis
2. brief description of how the data was obtained