Twenty students in class A and 20 students in class B were asked how many hours they took to prepare for an exam.

1 answer:

6 0

The mean study time is less for class b then class a

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Grace [21]

Answer:

does this help

Step-by-step explanation:

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3 years ago

aleksley [76]

8 + 8 + 8 + 7 + 7 + 8 + 3 = 49
49 / 7 = 7
The mean is 7

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Arada [10]

Speed = distance/time Which in your case means 50 meters/ 21.34 seconds, which equals 2.343 meters per second.

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tamaranim1 [39]

She can order 11 burgers and 5 orders of fries

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gregori [183]

Answer:

(-2, 11/2)

Step-by-step explanation:

use the mid-point formula!

((x1+x2)/2, (y1+y2)/2)

((-1+-3)/2, (-1+12)/2)

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3 years ago