Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 15
Section 15-3
15-1
Control charts for and R are to be set up for an important quality characteristic. T he sample size is n = 5, and and r
are computed for each of

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 8
Section 8-1
8-1
a) The confidence level for x 2.14 / n x 2.14 / n is determined by the value of z0
which is 2.14. From Table III, (2.14) = P(Z < 2.14) = 0.9838 and

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 14
Section 14-3
An article in Industrial Quality Control (1956, pp. 58) describes an experiment to investigate the effect of two factors
(glass type and phosphor type

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 6
Section 6-1
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
No, usually not. For example, if the sample is cfw_2, 3 the mean is 2.5 which is not an observation in the
sample.
No

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 9
Section 9-1
9-1
a)
H0 : 25, H1 : 25
Yes, because the hypothesis is stated in terms of the parameter of interest,
inequality is in the alternative hypothesis, and th

Applied Statistics and Probability for Engineers, 6 th edition
August 29, 2014
CHAPTER 4
Section 4-2
4-1.
a) P(1 X ) e x dx (e x )
1
e1 0.3679
1
2.5
b) P(1 X 2.5)
e
x
dx (e x )
2.5
1
e1 e 2.5 0.2858
1
3
c) P( X 3) e x dx 0
3
4
4
d) P( X 4) e x dx (e x

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 13
Section 13-2
13-1
Consider the following computer output.
(a) How many levels of the factor were used in this experiment?
(b) How many replicates did the experimen

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 12
Sections 12-1
12-1
Exercise 11.1 described a regression model between percent of body fat (%BF) as measured by immersion and BMI
from a study on 250 male subjects.

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 11
Section 11-2
11-1
a)
yi 0 1 xi i
.28
S xx 162674.2 6322
250 2789.282
2
)( 4757.9)
S xy 125471.1 (6322.28250
5147.996
1
S xy
S xx
5147.996
1.846
2789.282
0 19.03

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 7
Section 7-2
7-1.
The proportion of arrivals for chest pain is 8 among 103 total arrivals. The proportion = 8/103.
7-2.
The proportion is 10/80 =1/8.
7-3.
1.01
1.01

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 5
Section 5-1
5-1.
First, f(x,y) 0. Let R denote the range of (X,Y)
Then,
f ( x, y) 14 18 14 14 18 1
R
a) P(X < 2.5, Y < 3) = f(1.5,2) + f(1,1) = 1/8 + 1/4=3/8
b) P(X

Applied Statistics and Probability for Engineers, 6 th edition
December 31, 2013
CHAPTER 10
Section 10-2
10-1
a)
1) T he parameter of interest is the difference in means 1 2 . Note that 0 = 0.
2) H0 :
1 2 0 or 1 2
1 2 0 or 1 2
3) H1 :
4) T he test statist