Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 09 Oct 2017 My Price 7.00

Jennings, and Marcus

Physical activity and enhanced mood. Williams, Dunsiger, Jennings, and Marcus (20 12) conducted a study to test how enhanced mood during exercise can increase the likelihood of physical activity in the future . They reported that at 6 months of physical activity, mood scores (rated on a scale from -5 to +5) after a walking exercise were 3.3 ± 1.2, and at 12 months, mood scores after a walking exercise were 3.3 ± 1.3 (mean± standard error). Assuming these data are normally distributed, use the steps to conduct a z transformation to determine the following probabilities:

(a) What is the probability that a sample mean selected from this population would show no change (0) or a negative change (less than 0) at 6 months of physical activity?

(b) What is the probability that a sample mean selected from this population would show no change (0) or a negative change (less than 0) at 12 months of physical activity?

Answers

Maurice Tutor
(5)
Status NEW Posted 09 Oct 2017 08:10 PM My Price 7.00

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