A statement claimed that teens aged 15-18 spend a total of 36 hours on social media per week. A random sample of 15 teens aged 15-18 is selected, and the mean time spent on social media is 40 hours with a sample standard deviation of 12 hours. Test the claim using = 0.10, that teens aged 15-18 spend a total of 36 hours on social media per week. Answer the following questions. a. Identify the claim and state the Ho and HI. (1 Mark) b. Find the critical value. (1 Mark) c. Calculate the test statistic. (1 Mark) d. Make a decision to reject or fail to reject the Ho. (1 Mark) e. Interpret the decision in the context of the original claim. 

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a The claim is that teenagers aged 1518 spend a total of 36 hours on social media per week Null ... View the full answer