ENGR 0020: Spring 2007
Homework  Chapter 7
(
Due
:
Wednesday, March 28
)
Answer the following questions from your text  SHOW ALL YOUR WORK IN ALL CASES:
1.
Question 6, p. 290291.
2.
Question 7, p. 291.
3.
Question 18, p. 298.
Also calculate a CI for true average shear strength using a
confidence level of 90%.
4.
Question 32, p. 306.
5.
Question 45, p. 311.
6.
Question 49, p. 311, part (c).
7.
Question 55, p. 312.
8.
CLARK DATA SET:
Read the update to the original information by going back to
http://www.pitt.edu/stat/clark.html
and looking at the additional information given.
a)
Consider the 210 observations in the data set (with the bad sample deleted), i.e.,
clark3.xls or clark3.sav.
Use MINITAB to compute a point estimate for the mean
weight of a candy bar, and the standard error associated with this estimate (to
compute the mean and standard deviation of the 210 points, first use Da
ta…St
ack
to stack all the data into a single new column, and then use S
tat… B
asic
Statistics… D
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This homework help was uploaded on 04/10/2008 for the course ENGR 0020 taught by Professor Rajgopal during the Spring '08 term at Pittsburgh.
 Spring '08
 Rajgopal

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