Test 1 Ch. 3

Question 1

Statistics

Answer 1

Mathematical procedures applied to data that aid us in organizing and making sense out of large amounts of information

Question 2

3 Ways to portray data visually

Answer 2

1. Frequency Distribution
2. Frequency Polygon
3. Histogram/Bar Graph

Question 3

Frequency Distribution

Answer 3

List showing the data starting with the score having the highest value and showing the number of times each score appears

Question 4

Measures of Central Tendency

Answer 4

1. Mean
2. Median
3. Mode

Question 5

Measures of Variability

Answer 5

Range and Standard Deviation

Question 6

Scales of Measurement

Answer 6

1. Nominal- By name, all categories are equal
2. Ordinal- Highest to lowest, unequal spaces
3. Interval- “ “,equal spaces, no absolute 0
4. Ratio-“ “, equal spaces, has absolute 0