Assess Visual Overlap of Distributions
7th Grade Math · Flashcards
7TH GRADE MATH · FLASHCARDS
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QUESTION
What is the formula for mean absolute deviation (MAD) from the mean?
QUESTION
What does it mean to compare two distributions by expressing center difference as a multiple of variability?
QUESTION
Identify the correct conclusion if
∣
Δ
∣
=
2
|\Delta|=2
∣Δ∣
=
2
and
MAD
=
8
\text{MAD}=8
MAD
=
8
for two groups.
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ANSWER
Strong overlap because
k
=
2
8
=
0.25
k=\frac{2}{8}=0.25
k
=
8
2
=
0.25
is small.
k
=
2
8
=
0.25
k=\frac{2}{8}=0.25
k
=
8
2
=
0.25
is close to 0, indicating minimal separation.
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