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BUS 308 Week 4 Quiz




BUS 308 Week 4 Quiz;1.;Question;Compared to the ANOVA test, Chi-Square procedures are not powerful (able to detect small differences).;True;False;Question 2.;Question;The percent confidence interval is the range having the percent probability of containing the actual population parameter.;True;False;Question 3.;Question;The distribution for the goodness of fit test equals k-1, where k equals the number of categories.;True;False;Question 4.;Question;The Chi-square test can be performed on categorical (nominal) level data.;True;False;Question 5.;Question;A confidence interval is generally created when statistical tests fail to reject the null hypothesis ? that is, when results are not statistically significant.;True;False;Question 6.;Question;In confidence intervals, the width of the interval depends only on the variation within the data set.;True;False;Question 7.;Question;For a two sample confidence interval, the interval shows the difference between the means.;True;False;Question 8.;Question;If the confidence interval for mean differences contains a 0, the associated t-test would have shown a significant difference.;True;False;Question 9.;Question;Statistical significance in the Chi-square test means the population distribution (expected) is not the source of the sample (observed) data.;True;False;Question 10.;Question;The Chi-square test is very sensitive to small differences in frequency differences.;True;False


Paper#78147 | Written in 18-Jul-2015

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