MATH 2050 - Homework List  (subject to change)
Modern Business Statisitcs w/ Microsoft Excel. Anderson, Sweeney, Wiliams, Thomson:South-Western pub., 2nd ed, 2006

 
Section page Topic Exercises
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Chapter 1 20
 Data and Statistics
 2, 3, 6, 10, 12, 18, 22, 24




2.1
 37
 Descriptive Statistics:Qualitative data 2, 3, lab (5), 7
2.2 53
 Quantitative data 12, 15, lab(18), 20
2.3 59
 Stem/leaf 22, 25




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3.1 97 Measures of location
 1, 2, 5, 8, lab (9), 10
3.2 109
 Measures of variability
 14, 16, 18, 20
3.3 116
 Distribution, shape, relative location
 26, 28, 30a, 32, 35
3.4
 120
 Exploratory data analysis
 36, 37, 40(a, c, d, e), 42, 43, 44
3.6 137 weighted mean and grouped data 52, 53, 54, 56
3.5 131 Assoc. between two variables
 45(a, b, d), 46(a, b, d), 48, 50
2.4 72 Scatter diagram (use Excel)36, 37
14.2 570 Linear regression, least squares
 1, 2, 4, 5, (for 1-5, replace c. and d. with these instructions: "if indicated
by the 'r' value, create the regression equation, use it to find 2 points and draw the line.") 6, 8, 10, 12
Supplemental exercises
 142 Review 58, 60, 63, 66, 70
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4.2 167
 Probability
 14, 15, 18, 20
4.3 174
 Addition rule
 24, 26, 28
4.4 181
 Conditional probability
 32 c-g, 33 c-e, 34, 38
Supplemental exercises 192
 Review 46, 50, 52
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5.1 201
 Random variables
 1, 3
5.2
 205
 Discrete random variables
 7, 8, 12
5.3 210 Expected value and variation
 15,16,18
5.4 222 Binomial probability distribution
 26, 28, 32, 34, 37
Supplemental exercises 235 Review 56, 58, 60




6.2 256
 Normal probability distribution
 10, 12, 14, 16, 18, 20, 22, 24
Supplemental exercises 265
34, 39, 40




7.2 277
 Sampling 3, 4 (discuss in class)
7.3 280
 Point estimation
 8, 9
7.5 292
 Sampling distrib., mean, Central limit thm
 16, 20, 22, 23
Supplemental exercises 303
 Review 40, 42
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8.1 314 Interval estimate - mean 2, 5, 6, 8, 10
8.2 324
 Interval estimate - mean
 12, 13, 14, 15, 16, 19, 20, 22
8.3 328
 Sample size
 23, 25, 26, 28, 30
8.4 334
 Interval estimate - proportion, sample size
 31, 32, 34, 36, 38, 40
Supplemental exercises 338
 Review 44 - 60 even
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9.1 349
 Hypothesis tests 1, 2, 3, 4
9.2 351 Type I and II errors
 5, 6, 7, 8
9.4 375
 Hyp test - mean, std dev unknown evens (use CV approach)
9.5 382
 Hyp test - proportion
 evens (use CV approach)
Supplemental exercises
 386
 Review 49, 50, 54, 56, 59 (use CV approach)
11.1 451
 Hyp test - std deviation
 10, 12 (use CV approach)
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 463
 . 27, 29 (use CV approach)
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. Ch 10,12(use CV approach)
10.1 (omit)
 401
 Comparing 2 pops, 2 means, std dev known
 2, lab (6), 8
10.2 412
 2 means, std dev unknown 10, 14, 16
10.3 419
 matched samples 19, 21, 24, 25, Lab (26a)
10.4 429
 2 proportions 28, 32, 34, 36
Supplemental exercises 434
 Review
 40, Lab (42), 44a
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12.1 471
 Tests:Goodness of fit 1b, 2, 4, 6, 8
12.2 478
 Independence 9, 12, 14, 16
Supplemental exercises 492
 Review 24, 26, 28, 30, 32, 34