PLS HELP.. IM VRY DESPERATE Which statement is NOT true?
The side-by-side dotplot below displays the arm
spans, in centimeters, for two classes.
Arm Span (cm)
Class A
Class B
8 14
31 15 3
9 6 5 15 56
4 2 1 16 0 2 2 2 3 3
9 9 5 16 5 6 7
10 17 03
9 9 6 5 17
320 18 0 1 2
66 18 9
0 19 2
19
20 | 2
Key: 15/5 = 155 cm
The mean arm span appears to be similar for the
two classes.
The arm spans for Class A have less variability than
the arm spans for Class B.
The arm spans for Class B have more variability
than the arm spans for Class A.
The arm spans for Class A are roughly symmetric,
while those for Class B are skewed left.
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