Question: Answer all 5 steps to the question QUESTION 6 Many people believe that the average number of Facebook friends is 130. The population standard deviation

Answer all 5 steps to the question

Answer all 5 steps to the question QUESTION 6 Many people believe

QUESTION 6 Many people believe that the average number of Facebook friends is 130. The population standard deviation is 38.2. A random sample of 50 high school students in a particular county revealed that the average number of Facebook friends was 162. At a = 0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 130? Step 1: State hypotheses by filling in the symbol (=, , or not equal) and the population mean: Ho: H H1 : H Step 2: Find the critical value (from the table) (example: 2.34 or -2.34 or +/- 2.34) Critical z value is: Step 3: Compute the test value using the formula (round to two decimal places, example 6.45): Z test value is: Step 4: Reject the null or do not reject the null (type in either Reject the null or do not reject the null only): Step 5: Conclusion sentence (type in either is or is not only, to reflect what you found): There enough evidence to support the claim that the mean number of friends on Facebook is greater than 130

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