a data set includes the following test scores:75,82,62,78.The score on a retake is 96.it the retake score replaces the lowest test grade, how is the mean affected

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asked Apr 15, 2021 221k views

3 votes

a data set includes the following test scores:75,82,62,78.The score on a retake is 96.it the retake score replaces the lowest test grade, how is the mean affected

Mathematics
high-school

Benstpierre asked

by Benstpierre

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2 Answers

4 votes

Answer:

The mean increased by 6.8

Explanation:

Michel Vorwieger answered Apr 18, 2021

by Michel Vorwieger

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5 votes

Answer:

Increase by 8.75

Explanation:

75+82+67+72=296

296/4= 74

74 = Original Mean

75+82+96+78=331

New mean 82.75

82.75-74=8.75

Dudeonyx answered Apr 20, 2021

by Dudeonyx

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