A company would like to assess the impact of using a professional trainer to conduct a confidence-building workshop with its salespeople. A sample of 16 workers is obtained. Half (n = 8) attend the workshop and the other half (n= 8) do not attend the workshop. All workers complete an assessment to measure confidence. The data for the confidence assessment for each group are presented below. Does workshop attendance have a significant effect on the confidence levels of the workers? Conduct a hypothesis test using α = .05. Include all steps.  Workshop                    No workshop n = 8                               n = 8 M = 22.8                      M = 19.2 SS = 124                        SS = 100

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A company would like to assess the impact of using a professional trainer to conduct a confidence-building workshop with its salespeople. A sample of 16 workers is obtained. Half (n = 8) attend the workshop and the other half (n= 8) do not attend the workshop. All workers complete an assessment to measure confidence.

The data for the confidence assessment for each group are presented below.

Does workshop attendance have a significant effect on the confidence levels of the workers?

Conduct a hypothesis test using α = .05. Include all steps. 

Workshop                    No workshop

n = 8                               n = 8

M = 22.8                      M = 19.2

SS = 124                        SS = 100

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