A market researcher selects a simple random sample of n = 100 users of a social

Question

A market researcher selects a simple random sample of n = 100 users of a social media website from a population of over 100 million registered users. Alter analyzing the sample, she states that she has 95% that the mean time spent on the site per day is between 15 and 57 minutes. Explain the meaning of this statement. Choose the correct answer below. A. There is a 95% chance that a randomly selected registered user spends between 15 and 57 minutes on the site per day. B. During any given day there is a 95% chance that the mean time all registered users spent on the site was between 15 and 57 minutes C. One is 95% confident that the true mean time all registered users spend the site per day is between 15 and 57 minutes. D. Of the over 100 million registered users, 95% of them spend between 15 and 57 minutes on the site per day

Explanation / Answer

The above statement means:

c) One is 95% confident that true mean time all registered users spent on the site per day is between 15 and 57 minutes.

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