An organizational specialist is hired as a consultant to a company planning to open a coffee house for college students.

H

3.5

           3.5

         Is there is’ a significant difference between the number of cups of coffee consumed in the two rooms(use the .05 level)?

a. /2 Identify the populations involved:

population 1 = _____________________________________________________________________

population 2 = _____________________________________________________________________

b. /2 State the research and null hypothesis:

Research Hypothesis = _____________________________________________________________

Null Hypothesis = _________________________________________________________________

c. /7 Determine the characteristics of the comparison distribution (hint: it is a distribution of means):

mean of the comparison population’s difference scores =

sample’s difference scores (San Fran – Paris) =

degrees of freedom =

estimated variance of the comparison population’s difference scores =

estimated standard deviation of the comparison population’s difference scores =

variance of the distribution of means =

standard deviation of distribution of means =

d. /1 Cutoff sample score on the comparison distribution at which we’ll reject H0 (hint: 1 or 2 tails?) =

e. /1 Determine your sample’s score on the comparison distribution =

f. /1 Accept or reject the null hypothesis?

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