AP Stats Quiz 1

Statistic

the science and art of connecting, analyzing and drawing conclusions

statistics

specific calculations made from data

Data

specific values along with their context

Individual

a person, animal, or anything described in a dataset

Variable

any attribute that can take different values for different individuals

Population

the complete set of individuals with a common characteristic

Sample

a subset of the population that is being studied

Categorial

the variables that indicate what group or category each individual belongs to

Quantitative

a variable that contains measured numerical values and typically has a unit

Distribution

tells us what values the variable takes and how often it takes these values

Frequency Table

shows the number of individuals having each data value

Relative Frequency Table

shows the proportion of or precent of individuals having each data value

Mean

the average of all the individual data values

Median

the midpoint of a distribution

Range

the distance between the min and max

Standard Deviation

measures the typical distance of the values in a distribution from the mean

Discrete

a quantitative variable that can take on countable number values

Continuous

a quantitative variable that can take on infinitely many values and these values are uncountable

Calculate

Perform mathematical steps to arrive at a final answer

Compare

Provide a description or explanation of similarities and/or differences of two or more variables.

Complete

Identify parts, justify conditions, and calculate the results for the appropriate statistical inference methods.

Construct

Represent data in graphical or tabular form

Describe

Provide the relevant characteristics of representations.

Determine

Apply an appropriate method, investigative question, or a claim based on calculations and/or findings.

Estimate

Use models or representations to find approximations.

Explain

Provide information about how or why a relationship, process, position, situation, or outcome occurs, using evidence and/or reasoning to support or qualify a claim.

Identify/Classify

Indicate or provide information about a specified topic in words without elaboration or explanation.

Interpret

Describe the connection between a mathematical expression, representation, or solution and its meaning within the realistic context of a problem.

Justify

Provide evidence to support, qualify, or defend a claim, and/or provide statistical reasoning to explain how that evidence supports or qualifies the claim.