Stats algebra

Question

1.     Here is a set of scores on a math test. Find the five-number summary and draw a box-and-whisker plot for the data set.

77, 82, 86, 90, 84, 55, 51, 97, 84, 66, 94, 64, 91

Answer 1

The sequence is

Rearrange the sequence is

Since, there are numbers totally.

Find the median.

Median is defined as middle number of the sequence.

Consider the half of the sequence

Find mean value.

Mean value is defined as sum of total numbers is divided by number of total numbers of the sequence.

The whiskers extend down to the lowest value to highest value.