Mean, Median, and Range
ISEE Upper Level · Flashcards · Recall
ISEE UPPER LEVEL · FLASHCARDS
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QUESTION
If each value in a data set is multiplied by
−
2
-2
−
2
, how does the range change?
QUESTION
State the formula for the mean (arithmetic average) of
n
n
n
numbers
x
1
,
x
2
,
…
,
x
n
x_1, x_2, \dots, x_n
x
1
,
x
2
,
…
,
x
n
.
QUESTION
State the formula for the range of a data set in terms of its maximum and minimum values.
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ANSWER
range
=
max
−
min
\text{range}=\text{max}-\text{min}
range
=
max
−
min
. The range measures the spread of data by subtracting the smallest value from the largest value.
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