1. $8 per pound/256 Oz = $ .03125 = cost of coffee beans per ounce of coffee
sold
2. Small cup: .05+ .04 + .03 + .02 = $ .14 per unit
Medium Cup: .06 + .03 + .04 + .03 = $ .16 per unit
Large Cup: .07 + .03 + .04 + .04 = $ .18 per unit
In Total: $ .48
Cost
Key Concepts
Data Visualization and Summarization
Definitions of population and sample
Types of data (qualitative, quantitative, discrete, continuous, etc)
Measures of Center
o Mean, Median
o When would you use mean vs median?
Measures of Spread
o Ran
Due: Friday, August 31, 2007 11:59 PM EDT Description Current Score: 28 out of 30 Question Score Submission Options Homework #1 covers types of data and basic graphical methods for describing univariate and bivariate data discussed thus far in the co
BUS/ST 350-601 HW #2 Fall 2013
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The number of books shipped out daily by Amazon.com was recorded for 100 days The data is
in this Excel file
Draw a histogram fo
BUS/ST 350
EXAM 1 Practice Problems
Reiland
Material covered: Course Pack: Lecture Unit 1, Lecture Unit 2 WARNING: this sample exam may not cover all the material for which you are responsible! 1. The heights of American men aged 18 to 24 are appr
BUS/ST 350-601 HW #3 Fall 2013
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2. 2.25/2.25 points | Previous Answers
Avoiding an accident while driving can depend on reaction time. Suppose that reaction time,
measured from the time the driver
BUS/ST 350-601 HW #4 Fall 2013
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2. 7/7 points | Previous Answers
Accountants use stratified samples during audits to verify a company's records of such things
as accounts receivable. The stratifica
BUS/ST 350-601 HW #5 Fall 2013
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Employment data at a large company reveal that 72% of the workers are married, 39% are
college graduates, and half of the college gr
Due: Wednesday, September 19, 2007 11:59 PM EDT Description Current Score: 17 out of 30 Question Score Submission Options Homework #3 covers numerical summaries, zscores, the 68-9599.7 rule, and changing the units of measurement. These topics are in
Due: Friday, September 28, 2007 11:59 PM EDT Description Current Score: 30 out of 30 Question Score Submission Options Homework 4 covers topics in sampling, including selecting a stratified random sample from the US Census Bureau web site. Instructio
Homework 5
1. The fuel economy of a 2011 Lexus RX 350 using premium fuel is normally
distributed with a known population standard deviation of 1.25 mpg. If a
random sample of 30 tanks of gas yields a mean of 21.0 mpg, find a 95%
confidence interval for th
BUS/ST 350-601 HW #6 Fall 2013
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Airlines sometimes overbook flights (that is, they sell more tickets than there are seats on the
plane). Suppose that for a plan
BUS/ST 350-601 HW #8 Fall 2013
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Answer the following questions about the standard normal random variable Z. (Use 4 decimal
places in your answers to parts a. t
BUS/ST 350-601 HW #12 Fall 2013
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Online shopping statistics are routinely reported by www.shop.org. Of interest to many online
retailers are gender-based differen
BUS/ST 350-601 HW #9 Fall 2013
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You'd like to estimate the proportion of the 34,340 students at NCSU who are foreign students.
In your random sample of 50 students
BUS/ST 350-601 HW #13 Fall 2013
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One of the most important business applications of simple linear regression is the well-known
and often-used market model. This mod
BUS/ST 350-601 HW #1 Fall 2013
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A survey of vehicles parked in executive and staff parking lots at Dewey, Lie, & Howe, Inc., a
large tax preparation company base
1. 5/5 points Last Response | Show Details All Responses Notes part score total submissions 1 1 1 1/4 2 2 2 1/4 3 1 1 3/5 4 1 1 2/5 - 5 5 -The number of books shipped out daily by Amazon.com was recorded for 100 days The data is in this Excel file Dr
1. 0/1 points Last Response | Show Details All Responses Notes part score total submissions 1 0 1 2/2 The placement office at a university regularly surveys the graduates 1 year after graduation and asks for the following information. Select the info
Due: Wednesday, October 24, 2007 11:59 PM EDT Description Current Score: 30 out of 30 Question Score Submission Options Homework 7 deals with various applications of binomial probability distributions. Instructions
Homework 7
You are allowed 4 submi
Due: Sunday, December 9, 2007 11:59 PM EST Description Current Score: 30 out of 30 Question Score Submission Options Homework #12 covers scatterplots, correlation, and least squares lines. Instructions
Homework #12
You are allowed 4 submissions for
BUS/ST 350-601 HW #7 Fall 2013
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1. 5/5 points | Previous Answers
Assume that 13% of people are left-handed. If we select 10 people at random, answer the
following questions:
a. What is the probabil
Due: Wednesday, October 17, 2007 11:59 PM EDT Description Current Score: 30 out of 30 Question Score Submission Options Homework 6 covers random variables, probability distributions, expected value, and standard deviation. Instructions
Homework 6
Yo
BUS/ST 350-601 HW #11 Fall 2013
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1. 4/4 points | Previous Answers
Dan Allen Drive is a major north-south artery through the NC State campus that connects
Hillsborough Street and Western Boulevard.
BUS/ST 350-601 HW #10 Fall 2013
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After the first two games of the 2012-2013 NBA regular season, Lebron James had taken 32
shots and made 18. The proportion
of shots
Due: Monday, September 10, 2007 11:59 PM EDT Description Current Score: 29 out of 30 Question Score Submission Options Homework #2 covers graphical summaries (histograms, stemand-leaf displays, and boxplots) and numerical summaries (median, mean and
1. According to the Open Doors Report, 9.5% of all full-time US undergraduate students
study abroad. Of the students who study abroad, 60% are female. What is the
probability that a randomly selected full-time US undergraduate student is a female
who stud
Bus 360
Chapter 1
Good marketing is not a random activity; it requires _ to produce sound
decisions.
corporate governance
thoughtful planning
short-term goals
a profit orientation
a win-lose approach
The _ addresses the product's key features, how much it
Due: Thursday, November 8, 2007 11:59 PM EST Description Current Score: 29 out of 30 Question Score Submission Options Homework 9 covers normal distributions and their application to various real-world situations. Instructions
Homework #9
Homework 9
l_\m :R
BUS/ST 350 Sp '10 EXAM 3 VERSION 2 page 2
130 8 03 ~) 611,411ch
My 1. Before installing redlight cameras at intersections with high accident rates, the mayor of a city wou
the mayor wants to estimate p to within .03 with 98% condence? S' - -
The trade volume of a stock is the number of shares traded on a given day. The
following data, in millions (so that 6.16 represents 6,160,000 shares traded) represent
the volume of PepsiCo stock traded for a random sample of trading days in 2010.
Use the