You are a Communication consultant with several clients who have collected data but aren't sure how to analyze it. Using your newfound analytical skills (and your notes), help your clients answer the questions below. In all cases you will use the .05 level of significance (p ? .05).

Student Student 1 Student 2 Student 3 Student 4 Student 5 Student 6 Student 7 Student 8 Student 9 Student 10 Student 11 Student 12 Student 13 Student 14 Student 15 Student 16 Student 17 Student 18 Student 19 Student 20 Score 25 28 17 20 23 21 20 20 25 18 20 21 19 25 23 24 26 24 23 22 State the Null hypothesis: State the Research hypothesis: is this a 1 tailed or 2 tailed hypothesis: X=sample mean 5d: XXXx) nl SE: Sd j; _ x-u t' SE Do you accept or reject the Null hypothesis? What can you conclude? Employee \\DWNmWhu'NH ._. 0 Before the Class 37 29 42 36 36 34 33 40 32 31 After the Class 40 33 43 41 42 4o 39 43 34 38 State the Null hypothesis: State the Research hypothesis: Is this a 1 tailed or 2 tailed hypothesis: Do you accept or reject the Null hypothesis? What can you conclude? M mm- mm State the Null hypothesis: Is this a 1 tailed or 2 tailed hypothesis: Do you accept or reject the Null hypothesis? What can you conclude? Student ACI' Score 25 27 24 19 20 21 20 27 19 21 X =sample mean WmNmU'I-hUJNH H O _x-# t' SE State the Null hypothesis: State the Research hypothesis: Is this a 1 tailed or 2 tailed hypothesis: Do you accept or reject the Null hypothesis? What can you conclude? Student Pre-Test Post-test 11 10 9 State the Null hypothesis: State the Research hypothesis: Is this a 1 tailed or 2 tailed hypothesis: Do you accept or reject the Null hypothesis? What can you conclude?Exp. Group 7 .- -_ State the Nun hypothesis: State the Research hypothesis: Is this a 1 tailed or 2 tailed hypothesis: Do you accept or reject the Null hypothesis? What can you conclude