Question

Ages of young people participating in a community service program are listed below, with corresponding means and standard deviations. With alpha equal to .05, and variances assumed to be equal, complete a two-tailed independent samples t-test. Worth up to 20 points. Ages of participants Male Female 20 18 12 17 17 19 14 15 18 20 15 16 Male mean = 16 Female mean= 17.5 Male s = 2.90 Female s = 1.87 Step 1: State the H0 and the H1. Step 2: Calculate the df: Step 3: Identify the critical value for \alpha = .05 and state the decision rule. Step 4: Calculate the obtained value of t. Step 5: Conclusion

          Ages of young people participating in a community service program are listed below, with corresponding means and standard deviations. With alpha equal to .05, and variances assumed to be equal, complete a two-tailed independent samples t-test. Worth up to 20 points. 
Ages of participants
Male            Female
20                    18
12                    17
17                    19
14                    15
18                    20
15                    16
Male mean = 16     Female mean= 17.5
Male s = 2.90          Female s = 1.87
Step 1: State the H0 and the H1.
Step 2: Calculate the df:
Step 3: Identify the critical value for \alpha  = .05 and state the decision rule.
Step 4: Calculate the obtained value of t.
                                   
Step 5: Conclusion

Added by Erin B.

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