Chap 2

Front

Effect of an even number of observations on the median.

Back

Requires averaging the two middle numbers.

Front

What is the range for the numbers 5, 15, 21, 18, 11:

Back

Range = 21 - 5 = 16

Front

Median (M) in data

Back

Middle value of the data set

Front

Maximum in a box plot

Back

The maximum is the largest data point in the set, represented by the rightmost point of the whisker in a box plot.

Front

Five-number summary includes

Back

minimum, first quartile, median, third quartile, and maximum.

Front

What visually represents the five-number summary?

Back

Boxplot

Front

When should you use mean and median to measure center?

Back

Mean: when data is fairly symmetrical with no significant outliers.

Median: when data is skewed and/or has significant outlier

Front

Find the mean for the data set below:

  3  8  4  10  6  5

Back

18