What Was the Mean Openness Score for the Selfie Images

question 1

Multiple Choice

What was the mean openness score for the selfie images?

• A) 4.10
• B) 6.10
• C) 2.918
• D) 3.50

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Definitions:

Margin Error

The maximum expected difference between the true population parameter and a sample estimate of that parameter.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, often expressed in terms of a percentage indicating the degree of confidence.

Random Sampling Errors

Variability in sample statistics from sample to sample due to the method of choosing a random subset of the population.

Significance Tests

Statistical tests used to determine if the results of a study are likely to be due to chance or if they are significant.