Statistics Review

Front

A _________ sample is one in which each individual or object in the entire population has an equal chance of being selected.

Back

representative

Front

What is the median number of miles Jenna cycled? (36, 42, 28, 52, 48, 36, 31)

Back

36

Front

Which is true? The mean of the data set is equivalent to the median of the data set.

Back

True

Front

What is the mean number of pages Carolyn wrote per day? (9, 8, 12, 6, 10)

Back

9

Front

Which measure of center will best represent the data? (3, 3, 9, 15, 17, 24, 317)

Back

The median will best represent the data because there is an outlier.

Front

What is the definition of mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding them together and dividing by the count of numbers.

Front

What is the definition of median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

What is the definition of mode in statistics?

Back

The mode is the number that appears most frequently in a data set.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the total number of values.