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Verdich [7]
3 years ago
15

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

Mathematics
1 answer:
fiasKO [112]3 years ago
5 0

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

Step-by-step explanation:

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7 0
4 years ago
And this one :/ I need to find what m&lt;1=
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The answer is 24° because all three the three angel of the triangle is 180° and u subtract 132 by 180 left with the other two small angel's sum which is 48. rhan u divided by two u get one of the angel which is 24°.

im pretty bad at explaining, hopefully it helps!
5 0
3 years ago
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