Chapter 2- Frequency Distribution

Question 0

Describe a histogram

Answer 0

1. The height of the bar corresponds to the frequency for thy category
2. The width of the bar extends to real limits of the category

Question 1

Define:

Frequency Distribution

Answer 1

An organized tabulation of the number of individuals located in each category on the scale of measurement

Question 2

Describe a polygon

Answer 2

1. A dot is centered above each score so that it corresponds to the frequency for the category
2. A continuous line is drawn from dot to dot to
3. The graph is completed by drawing a line back down to the X-axis

Question 3

Define:

Symmetrical Distribution

Answer 3

Drawing a vertical line through the middle so that one side of the distribution is a mirror image

Question 4

Define:

Skewed Distribution

Answer 4

When scores tend to pile up toward one side

Question 5

Define:

Positive Skew

Answer 5

When the tail tapers to the right

Question 6

Define:

Negative Skew

Answer 6

When the tail tapers off toward the left