Categorical measures are most commonly used to
a. calculate confidence intervals.
b. group respondents or objects into groups.
c. determine the standard deviation.
d. develop histograms.
e. All of these are correct.
Question 2A fashion brand that appeals mainly to teenagers and Millennials would most likely succeed advertising on:
a. Reddit.
b. LinkedIn.
c. Snapchat.
d. Google+.
Question 3Histograms are used to
a. investigate the relation between two variables.
b. construct cumulative distribution functions.
c. construct cross tabulation tables.
d. determine the distribution of nonresponse errors.
e. determine the empirical distribution of a variable.
Question 4Which of the following features is the primary reason so many businesses choose to advertise on Facebook?
a. Superior analytics.
b. Excellent mobile UX.
c. Promoted posts.
d. Precise audience targeting options.
Question 5A bar chart where the values of a variable are placed along the X-axis and the absolute or relative frequency along the Y-axis is called a ____ and can be developed from the ____.
a. bar graph, cumulative data
b. frequency polygon, one-way frequency tabulation
c. cumulative distribution graph, cumulative data
d. histogram, uncoded data
e. histogram, one-way frequency tabulation
Question 6Although Reddit has almost a quarter of a million users, advertisers have a hard time succeeding on that platform. Why?
a. Most of Reddit's users are college-educated males.
b. Reddit runs on legacy architecture that needs to be updated before it can support modern advertising tools.
c. Reddit's users are unusually hostile to advertising.
d. All of these are correct.
Question 7An observation that is very different in magnitude from the rest of the observations for a particular variable is a(n)
a. error.
b. blunder.
c. histogram.
d. outlier.
e. deviant.
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