Which of the Following Statements About M-Commerce Is Not True

question 29

Multiple Choice

Which of the following statements about m-commerce is not true?

• A)In 2011,m-commerce represented less than 10 percent of all e-commerce.
• B)M-commerce is the fastest growing form of e-commerce.
• C)M-commerce applications are especially popular in Europe,Japan,and South Korea.
• D)In 2011,the top-grossing category of m-commerce was e-book sales.

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Definitions:

Residual Standard Deviation

A measure of the amount of variation in a set of observed values that is not explained by a statistical model, representing the standard deviation of the differences between predicted and observed values.

Regression Model

A mathematical representation used to estimate the relationship between a dependent variable and one or more independent variables.

Normally Distributed Residuals

Residuals (the differences between observed and predicted values) that are distributed according to a normal distribution, indicating a good fit for a linear model.

Normal Probability Plot

A graphical technique used to determine if a data set approximates a normal distribution, by plotting observed values against theoretically expected values in a normal distribution.