High School

Find the mean, median, mode, and range for the following data: 89, 78, 91, 90, 89, 97.

Answer :

Answer:

Mean: 89

median: 89.5

mode: 89

range: 19

Step-by-step explanation:

Mean

  • Mean is the total/amount of items
  1. the total = 534
  2. the amount of items is 6
  3. 534/6 = 89

Median

  • the median is the middle number
  • the median for odd lists is the middle between the middle two numbers
  1. Sort the list low to high : 78 89 89 90 91 97
  2. the middle numbers are 89 and 90
  3. the middle between these is 89.5

Mode

  • Mode is the most common number
  1. 89 appears twice, it is the most common

Range

  • range is the highest - lowest number
  • 97 - 78 = 19