An Alexa Builder Is Working on a Skill for Music

question 27

Multiple Choice

An Alexa Builder is working on a skill for music streaming. When a user says, "Alexa, stop" the skill needs to know where the user was in the song, so that when returning to the skill in a new session, the song can pick up where it left off. Which section of the following JSON contains the data indicating where the song left off?

• A) session.attributes
• B) Context.AudioPlayer
• C) session.user
• D) context.System.device.supportedInterfaces.AudioPlayer

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Definitions:

SSR

Stands for sum of squares due to regression, indicating the variation explained by the independent variables in a regression model.

Test Statistic

A statistic whose value helps determine whether a null hypothesis should be rejected.

Parameter

A numerical characteristic of a population, such as a population mean m, a population standard deviation s, a population proportion p, and so on.

Adjusted Multiple Coefficient

A measure in statistics used to determine the goodness of fit of a model, adjusted for the number of predictors in the model.