https://padlet.com/dolphineho/o0c10rxsv55jrsdg en-us 2020-12-03 13:15:39 UTC 2025-10-14 01:11:46 UTC hello@padlet.com dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512317 An entrepreneur is considering the purchase of a coin-operated laundry. The present owner claims that over the past 5 years, the average daily revenue was $675 with a standard deviation of $75. A sample of 30 days reveals a daily average revenue of $625. If you were to test the null hypothesis that the daily average revenue was $675, which test would you use?]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512317 dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512320 A manager of the credit department for an oil company would like to determine whether the average monthly balance of credit card holders is equal to $75. An auditor selects a random sample of 100 accounts and finds that the average owed is $83.40 with a sample standard deviation of $23.65. If you wanted to test whether the auditor should conclude that there is evidence that the average balance is different from $75, which test would you use?]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512320 dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512321 The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is over 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. The appropriate hypotheses to test are:]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512321 dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512323 The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is over 30 with a standard deviation of 5 years. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. Suppose she found that the sample mean was 30.45 years and the sample . What is the p value associated with the test statistic?]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512323 dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512325 The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is over 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. The appropriate hypotheses to test are:]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512325 dolphineho https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512326 56. A manager of the credit department for an oil company would like to determine whether the average monthly balance of credit card holders is equal to $75. An auditor selects a random sample of 100 accounts and finds that the average owed is $83.40 with a sample standard deviation of $23.65. If you wanted to test whether the auditor should conclude that there is evidence that the average balance is different from $75, which test would you use?]]> 2020-12-03 13:15:39 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/983512326 mingyaolim01 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986171144 H0 = 30
H1: >30]]> 2020-12-04 00:38:00 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986171144 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986180320 Oil company]]> 2020-12-04 00:42:03 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986180320 tiannelytt https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986181502 Credit department for an oil company]]> 2020-12-04 00:42:36 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986181502 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986181548 2020-12-04 00:42:37 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986181548 190256891 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986182342 H0= 30
H1= more than 30]]> 2020-12-04 00:42:59 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986182342 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986188263 coin operated laundry

]]> 2020-12-04 00:45:38 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986188263 190256891 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986190534 Oil company standard deviation is sample

]]> 2020-12-04 00:46:41 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986190534 190256891 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986192766 Coin operated laundry]]> 2020-12-04 00:47:41 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986192766 190256891 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986195232 2020-12-04 00:48:45 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986195232 https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986203936 2020-12-04 00:52:33 UTC https://padlet.com/dolphineho/o0c10rxsv55jrsdg/wish/986203936