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Chapter 3

Chapter 3

Quantitative Problems

1.
a.
M e a n = 16.4 , 10 % T r i m m e d m e a n = 12.9
b.
See Solution Manual
2.
a.
M e a n = 5.7 , M e d i a n = 4.1
b.
See Solution Manual
c.
See Solution Manual
3.
a.
R a n g e = 8.7 , S t a n d a r d D e v i a t i o n = 2.5 , V a r i a n c e = 6.5
b.
See Solution Manual
c.
See Solution Manual
4.
a.
Q 1 = 386.45 , Q 2 = 878.32 , Q 3 = 1182.42
b.
I Q R = 795.97
c.
O u t l i e r d a t a v a l u e = 4303.76
5.
Percentile = 50 %
6.
a.
z = − 3.04
b.
See Solution Manual
c.
z = 3.48
d.
See Solution Manual
7.
P r o b a b i l i t y = 0.005
8.
a.
0.074
b.
0.195
c.
0.805
9.
a.
See Solution Manual
b.
0.63
10.
a.
See Solution Manual
b.
0.035
c.
0. 272
11.
0.272
12.
0.026
13.
0.085
14.
a.
0.112
b.
0.691