Review Final Exam BUAL 3320
THE NEXT SIX QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A real estate appraiser is interested in determining the factors that determine the price of a house.
She wants to run the following regression: where Y = price of

Review Chapter 13
1. Allied Corporation wants to increase the productivity of its line workers. Four different programs have
been suggested to help increase productivity. Twenty employees, making up a sample, have been
randomly assigned to one of the four

Annual per capita consumption of milk is 21.6 gallons with a standard deviation of 4.8 gallons.
Being from the Midwest, you believe milk consumption is higher there and wish to support your
opinion. A sample of 30 individuals from the Midwestern town of W

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cfw_Exercise 12.3I
Duringthe first l3 weeks of the television season. the Saturday evening 8:00 p.m. to 9

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Self-Test Tutorial
cfw_Exercise 14.23
The data from exercise 1 follow.
Excel File: datal 4-23.xls
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a.
Compute the mean square error using equation (14.15) (to 3 decimals).
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Self-Test Tqlqrial
cfw_Exercise 15.23
The exercise involving data in this and subsequent sections were designed to be solved using Excel.
The owner of Showtime Movie Theaters, Inc., would like to predict weekly gross revenue as a

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cfw_Uxercise 14.1
Given are five observations tbr trvo variables.x and v.
Excel file: datal 4-01.xls
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5
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Which of the fol

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cfw_Exercis 15.25
The Condd Nast Tvweler Gold List for 2012 provided ratings for the top 20 small cruise ships (Cordd Nast Trweler website, March
I,
2012). The following data shown are the scores each ship received based upon th

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lDxercise 9.271
Which is cheaper: eating out or dining in? The mcan cost of a flank steak. broccoli"

BUAL 3320-048 Business Analysis II Spring 2016
Instructor: Dr. Ricardo Tovar-Silos
Personal Introduction
Welcome to Lamar University. My name is Ricardo Tovar-Silos and I am an Assistant
Professor at the Department of Information Systems and Analysis at t

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-cfw_Exercise 11.5
John Calipari, head basketball coach for the2012 national champion University of

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cfw_Exercise 13.7
Three different methods for assembling a product were proposed by an industrial enginee

Exam l Rcvierv
Annual pe-r capita consurnption ul'rnilk is 2 I .6 gallons rvith a statrdarel dcviatiorl of 4.8 gallons.
lleing fiom thl Mid*.est. 1,ou bcli*vc nrilk cunsunrption is higher thcrc and wish to stlppofl your
opin[rn. A sample ocfw_ 30 irrdivic

LA sample of 20 cans oftoniatoju ice showed a standard deviation of 0.4 ounces. A 95% conﬁdence interval
estimate ol'the variance For the population is
a. 0.2313 to 0.8533
b. 0.2224 to 0.7924
c. 0.0889 to 0.3 I 69
0.0925 to 0.34 I 3
l\‘ 10) S; Cl’
ICt

Review Chapter 13
1. Allied Corporation wants to increase the productivity of its line workers. Four different programs have
been suggested to help increase productivity. Twenty employees, making up a sample, have been
randomly assigned to one of the four

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Self-Test Tutorial
Exerei l l
A market research ﬁrm used a sample of individuals to rate the

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I Exercise "Lﬁ }
The average expenditure on Valentine's Day was expected lo be 33 [00.89 (USA ibdrrv. Februar}r I3, 2006

l.
4.
Review Final Exam BUAL 3320
THE NEXT SIX UESTION S ARE BASED ON THE FOLLOWING INFORMATION:
A real estate appraiser is interested in determining the factors that determine the price of a house.
She wants to run the following regression:Y = 60 + )3le

Notes on Hypothesis testing when the standard deviation of the population 0 is unknown.
If the standard deviation of the population 0 is unknown, we need to replace it with its point estimator
which is the standard deviation of the sample 5.
The test stat

1.A sample of 20 cans of tomato juice showed a standard deviation of 0.4 ounces. A 95% confidence interval
estimate of the variance for the population is
a. 0.2313 to 0.8533
b. 0.2224 to 0.7924
c. 0.0889 to 0.3169
d. 0.0925 to 0.3413
ANS: D
PTS: 1
Exhibit

3320 Chapter 9 Review
Exhibit 1
The manager of a grocery store has taken a random sample of 100 customers. The average length of time
it took the customers in the sample to check out was 3.1 minutes. The population standard deviation is
known to be 0.5 mi