Chapter 13
$D=$S
US exports + capital imports = US imports + capital output
X + CI = M + CO
X M = CO CI
Net exports = net capital output
NX = NCO
-5 % GDP = -5% GDP
$18t = GDP
NX = NCO
-$900b = -$900b
Figure 2, pg 277
International Debt Position of the US

ASBE 5e Solutions for Instructors
Chapter 16
Nonparametric Tests
16.1
H0: Events follow a random pattern
H1: Events do not follow a random pattern
Because the p-value (.8942) is greater than .05 we fail to reject the null hypothesis of
randomness.
Runs Te

ASBE 5e Solutions for Instructors
Chapter 11
Analysis of Variance
11.1
a.
b.
c.
n = total df +1 = 39 + 1 = 40
The number of groups is equal to the between groups d.f. plus 1 or 4 + 1 =5.
H0: A = B = C = D
means are the same
H1: Not all the means are equa

ASBE 5e Solutions for Instructors
Chapter 13
Multiple Regression
13.1
a.
= 4.306 0.082ShipCost + 2.265PrintAds + 2.498WebAds + 16.697Rebate%
b.
The coefficient of ShipCost says that each additional $1 of shipping cost reduces
about $ 0.082 from net revenu

ASBE 5e Solutions for Instructors
Chapter 15
Chi-Square Tests
15.1
a.
b.
c.
d.
e.
f.
g.
H0: Choice of vehicle and Buyers age are independent.
Degrees of Freedom = (r1)(c1) = (41)(31) = 6
CHISQ.INV.RT(.1,6) = 10.64 and test statistic = 10.667.
Test statist

ASBE 5e Solutions for Instructors
Chapter 14
Time Series Analysis
Note: For questions that deal with best model the student should consider four criteria:
14.1
Occams Razor
Overall fit
Believability
Fit to recent data
Would a simpler model suffice?
How do

ASBE 5e Solutions for Instructors
Chapter 17
Quality Management
17.1
a. Productivity is a ratio of output to input and measures efficiency.
b. Quality control refers to methods used to ensure product or service quality.
c. Process control refers to method

1. A medical supply firm wishes to compare the mean daily output of its three
plants in Toledo, Ohio; Ottumwa, Iowa; and Crab Apple Cove, Maine. Data were
collected (measured in hundreds of units) for each site and are listed here.
Toledo:
10
12
15
18
9
1

ASBE 5e Solutions for Instructors
Chapter 10
Two-Sample Hypothesis Tests
10.1
Use the following formulas for each test in (a) (c), substituting the appropriate values.
Check work with LearningStats file 10-03 Calculator - Two Means. You can also use
MegaS

ASBE 5e Solutions for Instructors
Chapter 6
Discrete Distributions
6.1
Example A is a probability distribution because the sum of P(x) is 1 (.8 + .2 = 1) and all
probabilities are nonnegative.
Examples B and C are not probability distributions because the

ASBE 5e Solutions for Instructors
Chapter 1
Overview of Statistics
1.1
a. Statistics can be used to 1) determine what a typical commission is and then 2) use that
value to identify commissions that appear to be unusually high.
b. She could use statistics

ASBE 5e Solutions for Instructors
Chapter 2
Data Collection
2.1
a. Categorical
b. Categorical
c. Discrete numerical
Learning Objective: 02-2
2.2
a. Continuous numerical
b. Discrete numerical
c. Categorical
d. Continuous numerical
Learning Objective: 02-2

ASBE 5e Solutions for Instructors
Chapter 5
Probability
5.1
a. S = cfw_(V,B), (V,E), (V,O), (M,B), (M,E), (M,O), (A,B), (A,E), (A,O)
b. Events are not equally likely. Barnes and Noble probably carries more books than other
merchandise.
Learning Objective:

ASBE 5e Solutions for Instructors
Chapter 8
Sampling Distributions and Estimation
8.1
For a 90% interval use z.05 =NORM.S.INV(.95) = 1.645
a. For = 100, = 12, n = 36:
or [96.71, 103.29]
12
100 1.645
36
b. For = 2,000, = 150, n = 9:
or [1917.75, 2082.25]
1

ASBE 5e Solutions for Instructors
Chapter 3
Describing Data Visually
3.1
a.
Stem and Leaf plot for
stem unit =
leaf unit =
#1
10
1
Frequency
1
5
7
10
Stem
0
1
2
3
1
4
Leaf
9
56889
1145667
1222334559
2
24
b.
DotPlot
5
10
15
20
25
30
Number of Customers
35

ASBE 5e Solutions for Instructors
Chapter 9
One-Sample Hypothesis Tests
9.1
a. (.05)(1000) = 50 times
b. (.01)(1000) = 10 times
c. (.001)(1000) = 1 time
Learning Objective: 09-3
9.2
a. Null hypothesis: The man is not having a heart attack. Type I error: I

ASBE 5e Solutions for Instructors
Chapter 4
Descriptive Statistics
4.1
a. Mean = 2.83, Median = 1.5, Mode = 0. Any one of these would be a useful measure of
center. Data appears skewed right with many values equal to zero so one might choose
median or mod

ASBE 5e Solutions for Instructors
Chapter 7
Continuous Distributions
Calculations are done on Excel except where noted that Appendix Tables are used.
Probabilities are rounded to four decimals. Z scores are typically rounded to two
decimals when using App

ASBE 5e Solutions for Instructors
Chapter 12
Bivariate Regression
12.1
For each sample: H0: = 0 versus H1: 0. The following formula is used to calculate the
test statistic:
and tcrit =T.INV(/2,df). Because these are all two-tailed
tests the decision rule