Mean, Median, and Range
ISEE Upper Level · Flashcards · Application
ISEE UPPER LEVEL · FLASHCARDS
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QUESTION
What is the median of the numbers
8
,
2
,
5
,
9
,
1
8, 2, 5, 9, 1
8
,
2
,
5
,
9
,
1
?
QUESTION
Find the mean of
5
5
5
numbers if their sum is
42
42
42
.
QUESTION
Find and correct the error: A student says median of
1
,
4
,
7
,
9
1, 4, 7, 9
1
,
4
,
7
,
9
is
7
7
7
.
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ANSWER
Correct median:
7
+
4
2
=
11
2
\frac{7+4}{2}=\frac{11}{2}
2
7
+
4
=
2
11
. Sorted list
1
,
4
,
7
,
9
1,4,7,9
1
,
4
,
7
,
9
is even; median is average of middle two, not the higher one.
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