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April 20, 2014

Homework Help: statistics

Posted by fredia on Wednesday, February 9, 2011 at 9:12pm.

A family therapist states that all parents in America talk to their teenagers an average of 17 minutes per week. A psychologist decides to test this by collecting data from a sample of 9 parents on how much time they spend talking to their teenagers per week. Alpha .05, 2-tailed.
X
14
13
12
15
17
18
13
16
14
A. Give calculated score and critical score.
B. Do the psychologists data differ significantly from what the family therapist stated?
C. Is the family therapists claim an overestimate or an underestimate of actual time spent talking to children, compared to the sample size.

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