Mathematics, 30.10.2019 03:31 fernandoramirez086
Asociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. their mean score is 76.2 and their standard deviation is 21.4. construct the 95% confidence interval for the standard deviation, σ, of the scores of all subjects. a. 17.5 < σ < 27.8b. 17.2 < σ < 27.2c. 285.61 < σ < 858.49d. 16.6 < σ < 28.6e. 16.9 < σ < 29.3
Answers: 2
, s=21.4
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Asociologist develops a test to measure attitudes about public transportation, and 27 randomly selec...
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