| 18 | Due: Wednesday, May 2nd
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- Pg. 412: 8.46 by hand AND SAS
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| 17 | Due: Wednesday, May 2nd
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- Pg. 398: 8.27
- Pg. 400: 8.36 by hand OR SAS
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| 16 | Due: Friday, April 20th
NOTE CHANGES!
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- Pg. 437-438: Using the data in 9.17 and SAS:
d) check the assumptions
e) test H0: beta_1=0 vs. HA: beta_1 not equal 0
f) give the estimate of sigma = standard deviation of the errors
- Pg. 450-451: 9.37 b
- Pg. 462: 9.54 a (explain)
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| 15 | Due: Wednesday, April 18th
NOTE CHANGES!
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- Pg. 437-438: 9.17 a-c using SAS.
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| 14 | Due: Friday, April 13th
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- Pg. 371: 7.77 using SAS. Remember to state H0 and
HA, check the assumptions, and state your conclusion.
- Pg. 435: 9.10
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| 13 | Due: Monday, April 9th
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- Sketch an example of a power curve for testing H0: mu=10
vs. HA: m<10 at alpha=0.05.
- Pg. 370: 7.72a-c
- Pg. 370: 7.75
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| 12 | Due: Monday, March 26th
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- Pg. 338: 7.33 by SAS. Check the assumptions.
- Pg. 390: 8.15 (report H0, HA, the p-value,
and the conclusion)
- [Skip power curve problem]
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| 11 | Due: Friday, March 23rd
|
- Pg. 285: 6.32
- For the data in pg. 280, 6.24, test H0:sd=2 vs. HA:sd>2
- Pg. 324: 7.5 a-b by SAS. Also test that the variances are equal
and that the two populations are normal.
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| 10 | Due: Monday, March 19th
|
- Pg. 273: 6.7
- Pg. 279: 6.22, 6.24
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| 9 | Due: Wednesday, March 7th
|
- Pg. 241: 5.19
- Pg. 257: 5.48
- By SAS and hand, construct a 95% confidence interval
for the standard deviation using the data in pg. 243 #5.26
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| 8 | Due: Friday, March 2nd
|
- Pg. 242: 5.25 a-c by hand and SAS. Does the data seem normal? Do you
trust the confidence intervals?
- Pg. 250: 5.32
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| 7 | Due: Monday, February 26th
|
- Pg. 211: 4.90 a,c,d
- Pg. 218: 4.102 a-c
- For n=16 (df=15) find P(t < 2.131)
and P(chi2 > 5.22935)
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| 6 | Due: Wednesday, February 14th
|
- Pg. 189: 4.46 b,d
- Pg. 190: 4.48 a; 4.50 e
- Pg. 204: 4.77 a,b (show your work)
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| 5 | Due: Monday, February 12th
|
- Pg. 145: 3.76 a
- Pg. 162: 4.12 a
- Pg. 176: 4.26 b-c
- Pg. 177: 4.35 (show your work)
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| 4 | Due: Wednesday, February 7th
|
- Pg. 109: 3.6
- Pg. 126: 3.42
- Pg. 137: 3.60
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| 3 | Due: Friday, February 2nd
|
- Pg. 61: 2.64 - Use SAS for part a. Using SAS, does the
data seem to be approximately normally distributed?
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| 2 | Due: Monday, January 29th
|
- Pg. 54: 2.52b (also for median). What happens to each
of these four statistics if each observation has 2 added to it?
if each observation is multiplied by 2?
- Pg. 64: 2.74 explain using either the empirical rule or
Chebyshev's rule.
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| 1 | Due: Wednesday, January 24th
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- Pg. 17: 1.24
- Pg. 24: 2.1 Also construct a historgram for this data by hand [F=0-49]
- Pg. 48: 2.43a-b
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