The average weight of all scuba divers in a diving resort in Batangas is 168 lbs. A divemaster believes the true mean to be different. He measured the weight of 36 individual scuba divers and found the mean to be 169.5 lbs with a standard deviation of 39. a) State the null hypothesis b)determine the alpha (a). c) determine the Z critical value. d) determine the Z value for the confidence level. e) State the decision either to discard (reject) or fail to reject the null hypothesis and state the reason.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The average weight of all scuba divers in a diving resort in Batangas is 168 lbs. A divemaster
believes the true mean to be different. He measured the weight of 36 individual scuba divers
and found the mean to be 169.5 lbs with a standard deviation of 39.
a) State the null hypothesis
b)determine the alpha (a).
c) determine the Z critical value.
d) determine the Z value for the confidence level.
e) State the decision either to discard (reject) or fail to reject the null hypothesis and state the
reason.
Transcribed Image Text:The average weight of all scuba divers in a diving resort in Batangas is 168 lbs. A divemaster believes the true mean to be different. He measured the weight of 36 individual scuba divers and found the mean to be 169.5 lbs with a standard deviation of 39. a) State the null hypothesis b)determine the alpha (a). c) determine the Z critical value. d) determine the Z value for the confidence level. e) State the decision either to discard (reject) or fail to reject the null hypothesis and state the reason.
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