Answers
Bar graph correct answer the length of the bar for each category is proportional
to the number or percent of individuals in each category (no spaces)
Categorical variables correct answer place the person or thing into a category
such as gender or eye color
Causality correct answer When a relationship between two variables do not mean
that one causes the other to occur
Cluster sample correct answer Is obtained by selecting all individuals within a
randomly selected collection or group of individuals.
cohert study correct answer certain number of subjects and watching them over
time
Confounding correct answer when the effects of multiple factors on a response
cannot be seperated
Convenience sampling correct answer using a sample of people who are readily
available to participate
Cumulative relative frequency correct answer the accumulation of the previous
relative frequencies
, Data correct answer actual values of variables
Datum correct answer A single value
Descriptive statistics correct answer Organizing and summarizing data
Can be done by graphing and using numbers
Dichomitus variable correct answer A variable with exactly two possible
responses
explanatory variable correct answer when one variable causes change in another
frequency correct answer the number of times a value of data occurs
incidence correct answer new cases
Inferential statistics correct answer Drawing conclusions from the data found
Interval scale correct answer similar to ordinal scale but does not have a starting
point
Interval variable correct answer usually temp. does not have a natural starting
point
Morbidity correct answer illness