BUSSTAT207 Exam 1 Spring 2016
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
When a marketing manager surveys a few of the customers for the purpose of drawing a conclusion about
Exam 1 Study Guide
Chapters 1 & 2
About the Exam:
Chapters 1 and 2
10 questions (some have multiple parts partial credit will be awarded)
Open book, open note, Excel, StatCrunch closed to computer resources and individuals
*This is a group project. You only need to turn in one document for your group
Ken Wilson had done it all at Wilson Manufacturing, a company founded by his grandfather 63 years ago.
Among his many duties, Ken oversaw all th
What is influencing the differences
in production output?
Number of employees
Age of plant
Product Mix (A=0, B=1)
Shift (Day=0, Night=1)
Regression Equation Used
# of Employees: +8.873
Age of Plant: -6.168
Chapter 10 Two Population Means and Proportions
1. The Wilcox Company sells breakable china through a mail-order system that has been very
profitable. One of its major problems is freight damage. It insures the items at shipping so
Independent random sampling from two normally distributed populations gives the results below. Find
a 95% confidence interval estimate of the difference between the means of the two populations.
Independent random sampling from two normally distrubuted populations gives the results below. Find a
99% confidence interval estimate of the difference between the means of the two populations.
Business Statistics 208
10 July 2014
Home Mortgage Interest Rates
Throughout the semester we have learned many different concepts that help businesses make
the right decisions based on the proper reports and gathering of da
Multiple Regression II
1. Case 15.5 Wendell Motors. The data file Wendell Motors is available under Course Documents.
You should, at a minimum complete the following:
a. Develop a correlation matrix.
Problem Set 3
The manager of an assembly line in a clock manufacturing plant decided to study how different speeds of the
conveyor belt affect the rate of defective units produced in an 8-hour shift. To examine
Problem Set 3
The manager of an assembly line in a clock manufacturing plant decided to study how
different speeds of the conveyor belt affect the rate of defective units produced in an 8-hour
shift. To examine this, he ran the
Boise State University
BUSSTAT 208Summer 2013
This is a closed book, closed-note examination. You
may use a calculator, you may also reference
statistical tables and a formula sheet.
NAME 1. Suppose a random sample of 288 teachers in Nevad
Business Statistics 208
This is a closed-book/closednotes examination. You are allowed to
reference a formula sheet and the statistical tables from your book.
A calculator is also allowed. Record your answers in the spaces
Multiple R 0.9152036
R Square 0.8375977
Adjusted R 0.8172974
2 0.4071695 0.2035847 41.2
Cost: the expedited cost of the shipment in dollars.
Distance: the distance the order is shipped.
Weight: the weight of the shipment in pounds.
Holiday: Yes, if the order is shipped on a holiday. No, if it is not.
Multiple R 0.954913
R Square 0.911859
Adjusted R Square
1 46833540.896311 46833540.9 186.2188
Forecasting-1-The Goodie Candy Bar Company is a family-operated company in West Virginia. The table below shows annual sales for the last 6 years.
The following linear trend model was
The following information taken from the 1998 Annual Report of Baldor Electric Company shows net
sales and working capital (in thousands of dollars) for the years 1988-1998.
Problem Set 1
Due Date 6/14/2012
1. A medical researcher decided to compare several over-the-counter sleep
medications. People who had trouble sleeping came to the researchers sleep
laboratory and were randomly assigned to take either a pla
Uniform and Normal Review
1. A newspaper reporter, collecting data for a feature article on her state lottery system, has
found the 200 digits most recently selected to be distributed as shown below. Based on
this information, and using the 0.10 level of
At a recent Beach Boys concert, a survey was conducted that asked a random sample of
eleven people their age and how many concerts they have attended since the first of the
year. Assuming you wished to predict the number of concerts attended based upon th
Constructing a Confidence Interval for a Normal Distribution
Finding Critical Numbers for Confidence Intervals
Confidence intervals can be used to estimate the proportion of a
population who have a particular attribute
NEGATIVE z Scores