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26 votes
26 votes
The mean score was 72. The standard deviation was 7 percentage-points. Based on this information, what is the best

approximation for the number of students who scored 79 or better?

The mean score was 72. The standard deviation was 7 percentage-points. Based on this-example-1
User Daissy
by
3.0k points

2 Answers

16 votes
16 votes

Answer:

Explanation:

the answer is 159. i just took the test and got it right

User Christutty
by
2.7k points
11 votes
11 votes

Answer:

the number of student that took the test is missing

I think it is 100?

79 is 1 sigms (1 standard deviation) above the mean....

1 sd is 84% ... 16% are above the 79

multiply the students that took the test by .16

Explanation:

User Ion Scerbatiuc
by
2.9k points
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