Answer:
15
Step-by-step explanation:
Use the Pythagorean Thereom:
=
+
= 81+144
= 225
= 15
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Step-by-step explanation:
The outlier (61) is at the low end of the data set, but doesn't affect the mean by a lot, so ...
The mean is centered among the other numbers in both sets of data.
_____
The mean without the outlier is 114. With the outlier, it is 107.4. The lower quartile is 108, so the mean does get moved outside the "box" of the box-and-whisker plot of the data set without the outlier.
Answer:
54%
Step-by-step explanation:
total students are 50
20+7 scored at least 81 = 27
27/50=54%
Answer:
4cm or 7 cm
Step-by-step explanation:
it can make 2 sides equal and make a isosceles triangle