Statistics for Business and Economics (13th Edition)
13th Edition
ISBN: 9780134506593
Author: James T. McClave, P. George Benson, Terry Sincich
Publisher: PEARSON
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Chapter 1, Problem 1.15ACB
Applying the Concepts–Basic
1.15 Performance-based logistics. In industry, performance-based logistics (PBL) strategies are increasingly popular ways to reduce cost, increase revenue, and attain customer satisfaction. The Journal of Business Logistics (Vol. 36, 2015) used the opinions of a sample of 17 upper-level employees of the U.S. Department of Defense and its suppliers to determine the factors that lead to successful PBL projects. The current position (e.g., vice president, manager [mgr.]), type of organization (commercial or government), and years of experience were measured for each employee interviewed. These data are listed below. Identify each variable measured as producing quantitative or qualitative data.
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A consulting group recently conducted a global survey of product teams with the goal of better understanding the dynamics of product team performance and uncovering the practices that make these teams successful. One of the survey findings was that
39%
of organizations have a coherent business strategy that they stick to and effectively communicate. Suppose another study is conducted to check the validity of this result, with the goal of proving that the percentage is less than
39%.
Complete parts (a) and (b) below.
Question content area bottom
Part 1
a. State the null and research hypotheses.
Identify the null and alternative hypotheses.
A.
H0:
π=0.39;
H1:
π≠0.39
B.
H0:
π≤0.39;
H1:
π>0.39
C.
H0:
π≥0.39;
H1:
π<0.39
D.
H0:
π≠0.39;
H1:
π=0.
A mail-order catalog business that sells personal computer supplies, software, and hardware maintains a centralized warehouse for the distribution of products ordered. Management is currently examining the process of distribution from the warehouse and has the business objective of determining the factors that affect warehouse distribution costs. Currently, a handling fee is added to the order, regardless of the amount of the order. Data that indicate the warehouse distribution costs and the number of orders received have been collected over the past 24 months and can be seen below:
Months
Distribution Cost ($thousands)
Number of Orders
1
52.95
4015
2
71.66
3806
3
85.58
5309
4
63.69
4262
5
72.81
4296
6
68.44
4097
7
52.46
3213
8
70.77
4809
9
82.03
5237
10
74.39
4732
11
70.84
4413
12
54.08
2921
13
62.98
3977
14
72.30
4428
15
58.99
3964
16
79.38
4582…
A consulting group recently conducted a global survey of product teams with the goal of better understanding the dynamics of product team performance and uncovering the practices that make these teams successful. One of the survey
findings was that 33% of organizations have a coherent business strategy that they stick to and effectively communicate. Suppose another study is conducted to check the validity of this result, with the goal of proving that the percentage is
less than 33%. Complete parts (a) and (b) below.
.....
a. State the null and research hypotheses.
Identify the null and alternative hypotheses.
О А. Но: п20.33; Н,: п 0.33
С. Но п#0.33;B Н,: п%3D0.33
Ο D. Ho: π = 0.33; ,: π# 0.33
b. A sample of 100 organizations is selected, and results indicate that 32 organizations have a coherent business strategy that they stick to and effectively communicate. Use the p-value approach to determine at the 0.01 level of significance
whether there is evidence that the percentage is less…
Chapter 1 Solutions
Statistics for Business and Economics (13th Edition)
Ch. 1 - What is statistics?Ch. 1 - Explain the difference between descriptive and...Ch. 1 - List and define the four elements of a descriptive...Ch. 1 - List and define the five elements of an...Ch. 1 - List the three major methods of collecting data...Ch. 1 - Explain the difference between quantitative and...Ch. 1 - Explain how populations and variables differ.Ch. 1 - Explain how populations and samples differ.Ch. 1 - What is a representative sample? What is its...Ch. 1 - Why would a statistician consider an inference...
Ch. 1 - Explain the difference between a population and a...Ch. 1 - Define statistical thinking.Ch. 1 - Suppose youre given a data set that classifies...Ch. 1 - Suppose that a population contains 200,000...Ch. 1 - The Random Numbers applet generates a list of n...Ch. 1 - The Random Numbers applet can be used to select a...Ch. 1 - Applying the ConceptsBasic 1.15 Performance-based...Ch. 1 - Jamming attacks on wireless networks. Terrorists...Ch. 1 - Disaggregation of annually reported accounting...Ch. 1 - College application data. Colleges and...Ch. 1 - Opinion polls. Pollsters regularly conduct opinion...Ch. 1 - Cybersecurity survey. The information systems...Ch. 1 - Treasury deficit prior to the Civil War. In Civil...Ch. 1 - The lucky store effect in lottery ticket sales. In...Ch. 1 - Consumer recycling behavior. Under what conditions...Ch. 1 - Who is better at multi-tasking? In business,...Ch. 1 - Zillow.com estimates of home values. Zillow.com is...Ch. 1 - Drafting NFL quarterbacks. The National Football...Ch. 1 - The economic return to earning an MBA. What are...Ch. 1 - Corporate sustainability and firm characteristics....Ch. 1 - Inspection of highway bridges. All highway bridges...Ch. 1 - Structurally deficient highway bridges. Refer to...Ch. 1 - Monitoring product quality. The Wallace Company of...Ch. 1 - Guilt in decision making. The effect of guilt...Ch. 1 - Accounting and Machiavellianism. Behavioral...Ch. 1 - Can money spent on gifts buy love? Is the gift you...Ch. 1 - Random-digit dialing. To ascertain the...Ch. 1 - Current population survey. The employment status...Ch. 1 - Monitoring the production of soft-drink cans. The...Ch. 1 - Sampling TV markets for a court case. A recent...Ch. 1 - Critical Thinking Challenge 1.40 20/20 survey...
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