A study claims that adults spend at most 16 hours a week on club activities. A researcher wanted to test this claim. He took a sample of 5 adults and asked them about the time they spend per week on club activities. He found following data: 20; 18; 17; 16; 14 Assume that the time spent on club activities by all adults is normally distributed. Using the 5% significance level, can you conclude that the claim is true?

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