文档介绍:《商业数据分析》综合练****Select the right answer 1. In hypothesis testing if the null hypothesis is rejected, conclusions can be drawn from the test b. the alternative hypothesis in true c. the data must haves been accumulated incorrectly d. the sample size has been too small 2. When the following hypothesis are being tested ata level of significance ofa 0 : 500 : 500 a H H ? ???, the null hypothesis will be rejected if the p-value is .. . / 2 . 1 / 2 abcd ?????? ??? A<α 3. two-tailed test hypothesis test situation, the test is determined to be t=-. the sample size has been 45. The p-value is a. - b. + c. - d. + *2= 因为是双尾的 4. ifa hypothesis is not rejected at 5% level of significance, it a. will also not be rejected at 1% level b. will always rejected at 1% level c. will sometime rejected at 1% level d. None of these alternatives is correct 5. The average monthly rent for one-bedroom apartments in Toledo has been $700. Because of the changes in the real estate market, it is believed that there has been a change in the average monthly rent ofa one bedroom apartments. The correct hypothesis to the tested are: :H?≥ 700: aH?< 700 :H?= 700: aH?? 700 :H?> 700: aH?≤ 700 :H?< 700: aH?≥ 700 6. Which of the following p-values will lead us to reject the null hypothesis if the significance level of the test if 5% also reject