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QMB 3200 USF Business and Economic Statistics II Multiple Choice Quiz Questions

QMB 3200 USF Business and Economic Statistics II Multiple Choice Quiz Questions.

Quiz Practice 3 Similar quesiton like thats

1. An ANOVA was conducted to compare the mean height increase of patients on 4 different growth hormone treatments. The test yielded a significant difference in means. When ranking the means, how many paired-comparisons of means are possible? B

4

  • 6
  • 8
  • 16

2. Tukey’s method of multiple comparisons of means will lead to a probability of at least one Type I error that is higher than anticipated (selected). True or False. F

3. When analyzing categorical (qualitative) data, inferences are made about: B

  • α values
  • proportions
  • means
  • variances

4. A Chi-Squared Goodness of Fit (GOF) test is the proper test to apply to compare population proportions in a multinomial experiment involving categorical data. True or False T

5. A 95% confidence interval for the true proportion of all law school graduates who fail the bar exam is (0.03, 0.22). Give a practical interpretation of this interval. C

A. We can conclude, with legitimate statistical evidence, that approximately 95% of lawgraduates will score between 3% and 22% on the bar exam.

B. We can conclude, with legitimate statistical evidence, that the true proportion lawschool graduates will be either 3 or 22.

C. We are 95% confident that the true proportion of all law school graduates who fail the bar exam is between 0.03 and 0.22.

D. We are 95% confident that the true mean of all law school graduates who fail the bar exam is between 0.03 and 0.22.

QMB 3200 USF Business and Economic Statistics II Multiple Choice Quiz Questions

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