BUS 308 Statistics for Managers – Ashford – Week 2 Quiz

 

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1.Question :How is the sum of squares unlike either the standard deviation or the variance?
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 2.Question :If sums of squares statistics are calculated for shoppers at three different retail outlets, what statistic will indicate the variability among those at each outlet?
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 3.Question :Which is the symbol used for the test statistic in ANOVA?

 

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 4.Question :If ANOVA reveals that four different departments have significantly different levels of productivity, what will a post-hoc test indicate?

 

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 5.Question :The independent t-test is based on which distribution?

 

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 6.Question :What does omega-squared indicate?

 

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 7.Question :Each different t-distribution is defined by which of the following?

 

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 8.Question :When a significant interaction is graphed, what is indicated on the vertical axis?

 

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 9.Question :Four different groups of employees are randomly selected from a common population for a study of differences in the impact of a wage increase.  Why will there be differences even before the incentive is applied?

 

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 10.Question :What is the probability of type II error when the null hypothesis is rejected?

  

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