2 years ago

I need help with this!

1 answer:

5 0

9514 1404 393

Answer:

64.6

Step-by-step explanation:

One standard deviation is 4.3. Then +2 standard deviations is ...

(+2)(4.3) = +8.6

This amount added to the mean gives ...

56 +8.6 = 64.6 . . . . +2σ from the mean

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