HCD300 EXAM 1 STUDY GUIDE
Statistics - Answers - the study of how to collect, organize, analyze, and interpret
numerical information from data
Descriptive statistics - Answers - Methods of describing data
inferential statistics - Answers - Methods to draw conclusions about the population the
data comes from
Population - Answers - All members of a specified group
Sample - Answers - A part of a population used to describe the whole group
Variable - Answers - An object, event, idea, feeling, time period, or any type of category
you are trying to measure
Independent variable - Answers - Stands alone and isn't changed by other variables you
are measuring
dependent variable - Answers - A variable that depends on other factors
quantitative data - Answers - Information about quantities, can be measured and written
down with numbers
Quanlitative data - Answers - Information about qualities, information that is not
measured with a numerical scale for various reason
Bias - Answers - Error in design or executive of a study which produces inaccurate
results
Misuse of statistics - Answers - When statistical argument asserts something false or
misleading, maybe intentional or accidental
Variability - Answers - A measure of how each score in a group of scores differs from
the mean
3 types of variability - Answers - Range, standard deviation, variance
Range - Answers - The most general estimate of variability, tells the range between
highest and lowest data point
Standard deviation - Answers - The most reported measure of variability
Average amount of variability in a set of scores
Statistics - Answers - the study of how to collect, organize, analyze, and interpret
numerical information from data
Descriptive statistics - Answers - Methods of describing data
inferential statistics - Answers - Methods to draw conclusions about the population the
data comes from
Population - Answers - All members of a specified group
Sample - Answers - A part of a population used to describe the whole group
Variable - Answers - An object, event, idea, feeling, time period, or any type of category
you are trying to measure
Independent variable - Answers - Stands alone and isn't changed by other variables you
are measuring
dependent variable - Answers - A variable that depends on other factors
quantitative data - Answers - Information about quantities, can be measured and written
down with numbers
Quanlitative data - Answers - Information about qualities, information that is not
measured with a numerical scale for various reason
Bias - Answers - Error in design or executive of a study which produces inaccurate
results
Misuse of statistics - Answers - When statistical argument asserts something false or
misleading, maybe intentional or accidental
Variability - Answers - A measure of how each score in a group of scores differs from
the mean
3 types of variability - Answers - Range, standard deviation, variance
Range - Answers - The most general estimate of variability, tells the range between
highest and lowest data point
Standard deviation - Answers - The most reported measure of variability
Average amount of variability in a set of scores
