3.10 WarmUP - Five Number Summary

Front

What is the Five Number Summary?

Back

The Five Number Summary consists of the minimum, first quartile (Q1), median, third quartile (Q3), and maximum of a data set.

Front

What does Q1 represent in a data set?

Back

Q1, or the first quartile, represents the value below which 25% of the data falls.

Front

What does Q3 represent in a data set?

Back

Q3, or the third quartile, represents the value below which 75% of the data falls.

Front

How do you calculate the Interquartile Range (IQR)?

Back

IQR is calculated as Q3 - Q1.

Front

What does a skewed right distribution indicate?

Back

A skewed right distribution indicates that the tail on the right side is longer or fatter than the left side.

Front

What is a z-score?

Back

A z-score indicates how many standard deviations an element is from the mean.

Front

If a data set has a mean of 300 and a standard deviation of 40, what is the value with a z-score of -2?

Back

The value is 220.

Front

What is the median in a data set?

Back

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

Front

What does the term 'outlier' refer to in statistics?

Back

An outlier is a data point that is significantly different from the other data points in a set.

Front

How do you find the maximum value in a data set?

Back

The maximum value is the largest number in the data set.