10. A teacher gives a 10-point test to a class of10 children.a. Is it possible for 9 of the 10 children to scoreabove average on the test? If so, give an exam-ple to show how. If not, explain why not.b. Is it possible for all 10 of the children to scoreabove average on the test? If so, give an exam-ple to show how. If not, explain why not.

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Asked Oct 21, 2019

15.3 #10

10. A teacher gives a 10-point test to a class of
10 children.
a. Is it possible for 9 of the 10 children to score
above average on the test? If so, give an exam-
ple to show how. If not, explain why not.
b. Is it possible for all 10 of the children to score
above average on the test? If so, give an exam-
ple to show how. If not, explain why not.
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10. A teacher gives a 10-point test to a class of 10 children. a. Is it possible for 9 of the 10 children to score above average on the test? If so, give an exam- ple to show how. If not, explain why not. b. Is it possible for all 10 of the children to score above average on the test? If so, give an exam- ple to show how. If not, explain why not.

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Expert Answer

Step 1

The average is the sum of all data points and divided by total number of data points. the formula to calcuate the mean is shown below.

 

ΣΧ
η
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ΣΧ η

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Step 2

Given a 10 point test to class of 10 students.
It is possible that 9 out of 10 children to score above average on test.
For example let 9 students scor...

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