Statistics 1.1-1.4 Review

What is the statistical problem solving process?

• interpret results, ask questions, collect data, analyze data

• ask questions, collect data, analyze data, interpret results

• analyze data, collect data, ask questions, interpret results

• collect data, analyze data, ask questions, interpret results

An individual is a(n)..

• attribute that can take different values for different individuals

• a person

• a thing

• person, animal, or thing described in a set of data

A variable is a(n)...

• attribute that can take different values for different individuals

• a letter

• a type of an individual

• always categorical

Does a number always have to be a quantitative variable?

• Yes

• No

Which variable is an example of a quantitative variable

• Height

• Zip code

• Area code

• Birthdate

Can a categorical variable be a number?

• Yes

• No

What is the difference between a frequency table and a relative frequency table?

• A frequency table shows the tally and the percent, but a relative frequency table shows just the tally.

• A frequency table just shows the tally, but a relative frequency table shows the tally and the percent.

• There is no difference.

A bar chart displays...

• Categorical data

• Quantitative data

• Categorical or quantitative data

• Categorical and quantitative data (at the same time)

Which is a way that graphs can be deceptive?

• Scale goes by 1 each time

• Scales don't go up evenly

• Scales start at 0

• Scales do not start at zero

A pie chart uses ________ to make the graph.

• percentages

• the frequency

• both percentages and the frequency