Calculation of measures of center

Practice Questions

HiSet: High School Equivalency Test: Math › Calculation of measures of center

Questions

Find the mean of the following data set:

$10,\ 12,\ 3,\ 4,\ 7,\ 8,\ 9,\ 10,\ 12,\ 11,\ 13,\ 14,\ 16, \textup{ and } 18$

Consider the data set

$\left { 10, 12, 12, 12, 12, 13, 16, 17, 20 \right }$

Of the mean, the median, the mode, and the midrange of the data set, which is the least?

Consider the data set

$\left { 10, 12, 12, 12, 12, 13, 16, 17, 20 \right }$

Of the mean, the median, the mode, and the midrange of the data set, which two are equal?