STAT 705 Spring 2009
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Homework 5
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25.1, 25.3, 25.7, 25.8, 25.17(a,b),
25.28, 25.30, 25.31, 21.2, 21.3, 21.5(a,b,d), 
21.6(a,c,d,e), 21.11, 21.13(b,c,d,f), 21.22,
28.2, 28.3, 28.9(b,d,e)

NOTE: Problems 25.7, 25.8, 25.17, 21.5, 21.6, 
21.13, 28.9 require analysis using a computer 
package such as SAS or R.

HINT:  You can answer 25.8(d) based on your answer to 25.8(a).
For 25.8(b), see p. 1041-1042.

HINT:  In 25.31, to derive the variance of Y-bar-i-dot-dot, 
write it out as defined in (19.27c) and (19.27d) on page 834, 
and then use properties of variances.

NOTE: For 21.3, draw a diagram illustrating the RCBD
similar to the diagram on page 895.

NOTE: For 28.3, look on page 1174 for the definitions 
of n and n_p.


The "Sodium Content", "Imitation Pearls",
"Auditor Training", "Auditor Training #21.13", 
"Automobile Tire Wear" data sets 
are given on the course web page.

Please write your answers neatly and clearly!