Which of the following statements concerning the sample standard deviation is FALSE?
a. Sample standard deviation is a measure of the variation in responses.
b. Analysts reporting descriptive statistics for continuous measures should always report standard deviations along with mean values.
c. Standard deviation is meaningful and appropriate only for interval- and nominal-level measures.
d. An analyst must be aware of the concerns of spurious precision when reporting standard deviations.
e. Outliers can have a marked effect the calculation of a standard deviation.
Question 2
What is the strategic purpose of a geo-fence?
a. To send different ads to different countries.
b. To target mobile users of a certain demographic with products that are relevant to that demographic.
c. To target mobile users within a virtual perimeter with localized advertising.
d. To convert the costs of advertising products into local currencies.
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