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svp [43]
1 year ago
14

A teacher summarizes grades on an exam by,Min = 26, Q1 = 67, Q2 = 80, Q3 = 87, Max = 100, Mean = 76, Mode = 100, Standard deviat

ion = 76, IQR = 20She incorrectly recorded one of these. Which one do you think it was? Why?
Mathematics
1 answer:
chubhunter [2.5K]1 year ago
5 0

we have

Min=26

Q1=67

Q2=80

Q3=87

Max=100

Mean=76

Mode=100

standard deviation=76

IQR=20

so

In this problem

the mean is equal to the standard deviation

therefore

<h2>The standard deviation is incorrectly</h2>
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