112_answers_to_bonus_quiz_S08

112_answers_to_bonus - will be one-tailed 10 We expect the 95 CI to include zero and have a negative number as its lower and a positive number as

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Statistics 112 Professor Esfandiari Answers to bonus quiz 1) The margin of error is 5 % and we are 95% confident that between 35% to 45% of the population endorse spending more money on the education of at risk students. 2) We reject the null hypothesis and conclude that the achievement motivation of the executives is higher than the general population. 3) H0: mue = 500, Ha: mue # 500. 4) He should not reject the null and conclude that the percentage of men who believe women should stay home and take care of new borns is not different from 25%. .45 5) Researcher A will have a lower margin of error and narrower confidence interval. 6) P male - P female = 0 7) P male - P female = 0 8) Reject the null and conclude that the average car insurance for the college students whose GPA is higher than 3:00 is lower than the overall population. 9) For Jenny the alternative hypothesis will be two-tailed and for John it
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Unformatted text preview: will be one-tailed. 10) We expect the 95% CI to include zero and have a negative number as its lower and a positive number as its upper bound. 11) She should find the P value to be more than 0.05 and she should not reject the null. 12) The 95% CI for agency B will be narrower than the 95% CI for agency A 13) He should not reject the null and conclude that the percentage of men who believe women should stay home and take care of new borns is not differet from 25%. 14) You reject the null hypothesis for a one-tailed test and fail to reject it for a two-tailed test. 15) The probability of concluding that gender is related to political affiliation when in fact it is not is 32%. 16) The P value is around 32%, we fail to reject the null and conclude that the coin is fair....
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This note was uploaded on 06/09/2008 for the course STATS 112 taught by Professor Esfandini during the Spring '08 term at UCLA.

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112_answers_to_bonus - will be one-tailed 10 We expect the 95 CI to include zero and have a negative number as its lower and a positive number as

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