One-Variable Statistics Review

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 a bimodal distribution look like?

Back

A bimodal distribution has two different modes or peaks in its frequency distribution.

Front

True or False: A histogram shows each value in a data set.

Back

False. A histogram shows the frequency of data values within specified ranges.

Front

What is the shape of a skewed distribution?

Back

A skewed distribution is asymmetrical and has a tail on one side.

Front

What is a Box Plot?

Back

A Box Plot is a graphic way of showing a summary of data using the median, quartiles, and extremes.

Front

What is the mode in a data set?

Back

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

Front

What is the range of a data set?

Back

The range is the difference between the largest and smallest values in the data set.

Front

What does a uniform distribution look like?

Back

A uniform distribution has all values occurring with the same frequency.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points in specified intervals.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.