QNT 561 Final Exam Study Guide - PowerPoint PPT Presentation

About This Presentation
Title:

QNT 561 Final Exam Study Guide

Description:

We bring to you the largest online platform to find 100% verified correct answers to the QNT 561 Final Exam UOP Course Material. – PowerPoint PPT presentation

Number of Views:46

less

Transcript and Presenter's Notes

Title: QNT 561 Final Exam Study Guide


1
QNT 561 Final Exam - Assignment
By www.UopeHelp.com
Copyright All Rights Reserved by
http//www.UopeHelp.com
2
  • 1. A random sample of size 15 is selected from a
    normal population. The population standard
    deviation is unknown. Assume the null hypothesis
    indicates a two-tailed test and the researcher
    decided to use the 0.10 significance level. For
    what values of t will the null hypothesis not be
    rejected?
  • To the left of -1.645 or to the right of 1.645
  • To the left of -1.345 or to the right of 1.345
  • Between -1.761 and 1.761
  • To the left of -1.282 or to the right of 1.282
  • 2. Which of the following is a characteristic of
    the F distribution?
  • Normally distributed
  • Negatively skewed
  • Equal to the t-distribution
  • Positively skewed
  • Complete Answers here QNT 561 Final Exam

Copyright All Rights Reserved by
http//www.UopeHelp.com
3
  • 3. For a chi-square test involving a contingency
    table, suppose the null hypothesis is rejected.
    We conclude that the two variables are
    __________.
  • related
  • curvilinear
  • linear
  • not related
  • 4. A sales manager for an advertising agency
    believes that there is a relationship between the
    number of contacts that a salesperson makes and
    the amount of sales dollars earned. What is the
    dependent variable?
  • sales managers
  • amount of sales dollars
  • salesperson
  • number of contacts
  • Download now QNT 561 Entire Course

Copyright All Rights Reserved by
http//www.UopeHelp.com
4
  • 5. Which of the following is most appropriately
    displayed with a frequency table?
  • What percentage of people prefer Hunt's brand
    ketchup
  • The home location of the most valuable customers
  • How much explanatory value comes from the study's
    variables
  • The relationship between gender and job
    performance
  • 6. The manager of Paul's fruit and vegetable
    store is considering the purchase of a new
    seedless watermelon from a wholesale distributor.
    Since this seedless watermelon costs 4, will
    sell for 7, and is highly perishable, he only
    expects to sell between six and nine of them.
    What is the opportunity loss for purchasing nine
    watermelons when the demand is for seven
    watermelons?
  • 8
  • 4
  • 12
  • 0
  • Complete paper here UOP Final Exam Answers

Copyright All Rights Reserved by
http//www.UopeHelp.com
5
  • 7. A firm offers routine physical examinations as
    part of a health service program for its
    employees. The exams showed that 8 of the
    employees needed corrective shoes, 15 needed
    major dental work, and 3 needed both corrective
    shoes and major dental work. What is the
    probability that an employee selected at random
    will need either corrective shoes or major dental
    work?
  • .25
  • 1.00
  • .50
  • .20
  • 8. When data is collected using a qualitative,
    nominal variable, what is true about a frequency
    distribution that summarizes the data?
  • The upper and lower class limits must be
    calculated.
  • The number of classes is equal to the number of
    variables plus 2.
  • The 5 to the k rule can be applied.
  • A pie chart can be used to summarize the data.
  • Click here to download Complete Answers of QNT
    561 Final Exam - Assignment

Copyright All Rights Reserved by
http//www.UopeHelp.com
6
  • 9. If an ANOVA test is conducted and the null
    hypothesis is rejected, what does this indicate?
  • The p-value is less than a.
  • All population means are different.
  • At least one pair of population means is
    different.
  • The population means are equal.
  • 10. A random sample of 20 items is selected from
    a population. When computing a confidence
    interval for the population mean, what number of
    degrees of freedom should be used to determine
    the appropriate t-value?
  • 25
  • 21
  • 19
  • 20
  • To download the complete answer check QNT 561
    Complete Assignment

Copyright All Rights Reserved by
http//www.UopeHelp.com
7
  • 11. The question, "Should products be withdrawn
    if even one death is associated with its
    prescribed use, even if no fault for the tampered
    product accrues to the manufacturer?" is an
    example of a(n) _____.
  • strip data mining issue
  • Un-researchable question
  • ill-defined problem
  • favored-technique problem
  • 12. A large department store examined a sample of
    the 18 credit card sales and recorded the amounts
    charged for each of three types of credit cards
    MasterCard, Visa, and Discover. Six MasterCard
    sales, seven Visa, and five Discover sales were
    recorded. The store used an ANOVA to test if the
    mean sales for each credit card were equal. What
    are the degrees of freedom for the F statistic?
  • 2 in the numerator, 15 in the denominator
  • 6 in the numerator, 15 in the denominator
  • 18 in the numerator, 3 in the denominator
  • 3 in the numerator, 18 in the denominator
  • Want more details? Download now UOP Complete
    Course Tutorials

Copyright All Rights Reserved by
http//www.UopeHelp.com
8
  • 13. A linear trend equation is used to represent
    time series values when the data are changing by
    equal what?
  • amounts
  • percents and proportions
  • proportions
  • percents
  • 14. Which of the following goals should a good
    survey instrument accomplish?
  • Encourage each participant to provide accurate
    responses
  • Encourage participants to be succinct in their
    responses
  • Encourage participants to answer only those
    questions they are comfortable answering
  • Encourage participants to end the survey when
    they feel they have contributed enough
    information
  • Complete paper here QNT 561 Final Exam Answers

Copyright All Rights Reserved by
http//www.UopeHelp.com
9
  • 15. Kroger, a grocery store chain, wants to
    identify the ideal store layout for increasing
    store sales. Because it primarily uses two store
    designs, one a grid layout with vertical aisles
    divided by a center aisle and another using a
    traditional straight-aisle pattern, Kroger will
    match pairs of stores that have different designs
    but similar shopper demographics and location.
    Sales from each pair will then be compared to
    determine if store design is related to sales.
    Which type of study is this an example of?
  • Exploratory study
  • Case study
  • Ex post facto study
  • Longitudinal study

Copyright All Rights Reserved by
http//www.UopeHelp.com
10
  • 16. Bones Brothers Associates prepare
    individual tax returns. Over prior years, Bones
    Brothers has maintained careful records regarding
    the time to prepare a return. The mean time to
    prepare a return is 90 minutes and the standard
    deviation of this distribution is 14 minutes.
    Suppose 100 returns from this year are selected
    and analyzed regarding the preparation time. What
    assumption do you need to make about the shape of
    the population distribution of all possible tax
    preparation times to make inferences about the
    mean time to complete a tax form?
  • The population distribution is skewed to the
    left.
  • The population distribution is skewed to the
    right.
  • The shape of the population distribution does not
    matter.
  • The population distribution is normal.
  • Download Complete Answers QNT 561 Final Exam Test

Copyright All Rights Reserved by
http//www.UopeHelp.com
11
  • 17. Checklists with several items to be
    considered by respondents may be subject to
    _____.
  • recency effects
  • leniency effects
  • halo effects
  • primacy effects
  • 18. In a multiple rating list scale, ____.
  • participants rate multiple items on a 3-point
    scale
  • the participant is restricted to circling their
    rating
  • it is possible to visualize the results better
    than with other numerical scales
  • the data generated are always ordinal
  • Find the final exam answers here QNT 561 Complete
    Assignment

Copyright All Rights Reserved by
http//www.UopeHelp.com
12
  • 19. As the size of the sample increases, what
    happens to the shape of the distribution of
    sample means?
  • It cannot be predicted in advance
  • It is positively skewed
  • It is negatively skewed
  • It approaches a normal distribution
  • 20. For any chi-square goodness-of-fit test, the
    number of degrees of freedom is found by ______.
  • n k
  • k -1
  • n k - 1
  • n 1
  • Download now UOP Final Exam Answers

Copyright All Rights Reserved by
http//www.UopeHelp.com
13
  • 21. Bank Choice is concerned about stagnating
    profits and asks, "How can profitability be
    improved?" This is an example of a(n) _____.
  • research question
  • measurement question
  • management question
  • investigative question
  • 22. A machine is set to fill the small-size
    packages of MM candies with 56 candies per bag.
    A sample revealed three bags of 56, two bags of
    57, one bag of 55, and two bags of 58. To test
    the hypothesis that the mean candies per bag is
    56, how many degrees of freedom are there?
  • 1
  • 7
  • 9
  • 8
  • Complete Answers here QNT 561 Final Questions and
    Answers

Copyright All Rights Reserved by
http//www.UopeHelp.com
14
  • 23. An experimental study is one that _____.
  • attempts to reveal why or how one variable
    produces changes in another
  • involves manipulation of one or more variables to
    determine the effect on another variable
  • attempts to capture a population's
    characteristics by making inferences from a
    sample's characteristics and testing resulting
    hypotheses
  • discovers answers to the questions who, what,
    when, where, or how much
  • 24. The monthly salaries of a sample of 100
    employees were rounded to the nearest 10. They
    ranged from a low of 1,040 to a high of 1,720.
    If we want to condense the data into seven
    classes, what is the most convenient class
    interval?
  • 200
  • 50
  • 150
  • 100
  • Click here to download Complete Answers of QNT
    561 Complete Class

Copyright All Rights Reserved by
http//www.UopeHelp.com
15
  • 25. Consider a regression analysis, where the
    correlation coefficient is 0.18. Then, the
    coefficient of determination is _______.
  • .0324
  • .36
  • 1.16
  • .424
  • 26. In multiple regression analysis, when the
    independent variables are highly correlated, this
    situation is called __________________.
  • homoscedasticity
  • curvilinearity
  • multicollinearity
  • Autocorrelation
  • Want help? Click to download UOP Final Exam
    Answers

Copyright All Rights Reserved by
http//www.UopeHelp.com
16
  • 27. Sam's Club installed self-checkout stations
    that can track not only member's purchases but
    also packaging problems, as the system uses
    universal product codes to match the item the
    shopper has in their cart with its price and
    inventory level in the store, generating a
    spreadsheet style report for the researcher. If
    you consider the scanner as the tool for
    collecting data for Sam's researchers, they are
    doing data entry by ____.
  • spreadsheet
  • Optical Character Recognition
  • Field editing
  • Voice recognition
  • 28. The weekly incomes of a large group of
    executives are normally distributed with a mean
    of 2,000 and a standard deviation of 100. What
    is the z-score for an income of 2,100?
  • 1.683
  • 0.90
  • 2.00
  • 1.00
  • Download now QNT 561 Final Exam Paper

Copyright All Rights Reserved by
http//www.UopeHelp.com
17
  • 29. A ranking scale is a scale that _____.
  • scores an object without making a direct
    comparison to another object
  • groups participants
  • groups concepts according to specific criteria
  • scores an object by making a comparison and
    determining order among two or more objects
  • 30. What is the interpretation of a 96
    confidence level?
  • The interval contains 96 of all sample means.
  • Approximately 96 out of 100 such intervals would
    include the true value of the population
    parameter.
  • There's a 96 chance that the given interval
    includes the true value of the population
    parameter.
  • There's a 4 chance that the given interval does
    not include the true value of the population
    parameter.
  • Download Complete Answers QNT 561 Entire Course

Copyright All Rights Reserved by
http//www.UopeHelp.com
18
About Author This article covers the topic for
the University Of Phoenix QNT 561 Final Exam -
Assignment. The author is working in the field of
education from last 5 years. This article covers
the basic of QNT 561 Complete Course from UOP.
Other topics in the class are as follows QNT
561 Final Exam Assignment Want to check other
classes..?? Visit www.UopeHelp.com
Copyright All Rights Reserved by
http//www.UopeHelp.com
Write a Comment
User Comments (0)
About PowerShow.com