Which of the Following Is an Example of Viral Marketing

question 37

Multiple Choice

Which of the following is an example of viral marketing?

• A)Samsung releases a TV ad for a new cell phone.
• B)An ad agency displays posters throughout the NYC subway system.
• C)On Twitter, a celebrity shares a link to a book she really enjoyed.
• D)A restaurant leaves their menu on benches through a public park.

Calculate and interpret test statistics and p-values.

Construct and interpret confidence intervals for population means.

Understand the assumptions underlying statistical tests and confidence intervals.

Apply hypothesis testing to compare means from two populations.

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Definitions:

Sampling Error

The difference between the value of a sample statistic (such as the sample mean, sample standard deviation, or sample proportion) and the value of the corresponding population parameter (population mean, population standard deviation, or population proportion) that occurs because a random sample is used to estimate the population parameter.

Sample Size

The number of observations or data points collected in a sample, crucial for determining the representativeness and accuracy of the sample.

Margin of Error

Indicates the confidence in the precision of a survey or poll result, quantifying potential deviation from the true population value.

Standard Deviation

An indicator of the range or distribution of a data set, showing the degree to which the values diverge from the average.