Need help with Multiple Choice Question 1-15 Business Statistics (write on answer)

Dec 12th, 2015
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Question description

Question 1

  1. The collection of all elements of interest in a particular study is

    the population

    the sampling

    statistical inference

    Data and Statistics

  

Question 2

  1. A portion of the population selected to represent the population is called

    statistical inference

    Data and Statistics

    a census

    a sample

  

Question 3

  1. The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

    Data and Statistics

    statistical inference

    data analysis

    data summarization

   

Question 4

  1. Categorical data

    indicate either how much or how many

    annot be numeric

    are labels used to identify attributes of elements

    must be nonnumeric

     

Question 5

  1. Quantitative data

    are always nonnumeric

    may be either numeric or nonnumeric

    are always numeric

    None of these alternatives is correct.

   

Question 6

  1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of a

    categorical variable

    quantitative variable

    categorical or quantitative variable, depending on how the respondents answered the question

    None of these alternatives is correct.

    

Question 7

  1. The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the average age of all the students at City College

    must be more than 22, since the population is always larger than the sample

    must be less than 22, since the sample is only a part of the population

    could not be 22

    could be larger, smaller, or equal to 22

      

   

Question 8

  1. A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 24 years. This is an example of

    a census

    Data and Statistics

    an experiment

    statistical inference

     

Question 9

  1. A graphical presentation of the relationship between two variables is

    an ogive

    a histogram

    either an ogive or a histogram, depending on the type of data

    a scatter diagram

  

Question 10

  1. Thecan be used to show the rank order and shape of a data set simultaneously.

    Ogive

    pie chart

    stem-and-leaf display

    bar chart

  

Question 11

  1. Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

    histogram

    box plot

    dot plot

    crosstabulation

     

Question 12

  1. Categorical data can be graphically represented by using a(n)

    histogram

    frequency polygon

    ogive

    bar chart

  

Question 13

  1. A tabular summary of a set of data showing the fraction of the total number of items in several classes is a

    frequency distribution

    relative frequency distribution

    frequency

    cumulative frequency distribution

    

Question 14

  1. Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)

    a line chart

    only a bar chart

    only a pie chart

    both a bar chart and a pie chart

  

Question 15

  1. A line that provides an approximation of the relationship between two variables is known as the

    relationship line

    Trend line

    line of 2 variables

    approximation of two variables

  

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