The company should use the median to support their claims.
Measures of average commonly used are mean and median.
Mean is the sum of the numbers divided by the total number
Mean : (5 + 6 + 6 + 6 + 7 + 8 + 8 + 8 + 8 + 11) / 10 = 7.3
Median is the number at the center of the dataset when it is arranged either in ascending or descending order.
Median = 8
To learn more about median, please check: https://brainly.com/question/20434777
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