Chapter 1

Question 1

Statistics is divided into what 2 categories

Answer 1

descriptive and inferential

Question 2

descriptive statistics

Answer 2

procedures of organizing and summarizing data
ex : what scores did we obtain (tables and graphs)

Question 3

inferential statistics

Answer 3

procedures used for making inferences about characteristics of the population based on characteristics of a sample (inferences)

Question 4

population and parameter

Answer 4

population = complete set of events, collection of all individuals who have particular characteristic (ex: college students)

parameters = numerical values summarizing population data

Question 5

Sample and Statistics

Answer 5

sample = a set of actual observations; subset of the population (used to make inferences)

statistics = numerical values summarizing sample data

Question 6

2 types of data

Answer 6

measurement and categorical

Question 7

measurement data

Answer 7

quantitative
measuring objects or events
numerical value
measurement done by instrument

Question 8

categorical data

Answer 8

qualitative
frequency or count data
you won’t get a mean based on these results but rather more descriptive

Question 9

differences vs relationships

Answer 9

-differences between groups (take 2 groups of people and compare)
-relationships between variables (if you exercise way happens to heart rate and body?)