1. 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 or = 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 (2, , or not equal) and the population mean: Ho: u (Blank 1) (Blank 2) H1: u (Blank 3) (Blank 4) Step 2: Find the critical value (from the table) (example: 2.34 or -2.34 or +!- 2.34) Critical 2 value is: (Blank 5)