Statistics and Making Inferences

Front

What is the minimum value in a data set?

Back

The minimum value is the smallest number in a data set.

Front

What is a median in statistics?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

Front

How do you calculate the expected number of people in a population based on a sample?

Back

Multiply the proportion of the sample by the total population size.

Front

What is a boxplot?

Back

A boxplot is a graphical representation of a data set that shows the median, quartiles, and outliers.

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which measures the spread of the middle 50% of a data set.

Front

How do you find the interquartile range (IQR)?

Back

IQR is calculated by subtracting the first quartile (Q1) from the third quartile (Q3).

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What is the purpose of making inferences in statistics?

Back

Making inferences allows us to draw conclusions about a population based on sample data.

Front

What is a data set?

Back

A data set is a collection of related data points or values.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample is a subset of that population.