Do men score lower on average compared to women on their statistics finals? Final exam scores of eleven randomly selected male statistics students and ten randomly selected female statistics students are shown below. Male: 77 76 91 77 56 83 77 71 65 59 66 Female: 84 99 75 87 89 68 85 99 80 80 Assume both follow a Normal distribution. What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use Select an answer z-test for a population proportion z-test for the difference between two population proportions t-test for the difference between two independent population means t-test for a population mean t-test for the difference between two dependent population means The null and alternative hypotheses would be: H0:H0: Select an answer μ1 p1 Select an answer ≠ = < > Select an answer p2 μ2 (please enter a decimal) H1:H1: Select an answer μ1 p1 Select an answer > < ≠ = Select an answer μ2 p2 (Please enter a decimal) The test statistic ? t z = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? ≤ > αα Based on this, we should Select an answer reject fail to reject accept the null hypothesis. Thus, the final conclusion is that ... The results are statistically insignificant at αα = 0.10, so there is statistically significant evidence to conclude that the population mean statistics final exam score for men is equal to the population mean statistics final exam score for women. The results are statistically significant at αα = 0.10, so there is sufficient evidence to conclude that the population mean statistics final exam score for men is less than the population mean statistics final exam score for women. The results are statistically significant at αα = 0.10, so there is sufficient evidence to conclude that the mean final exam score for the eleven men that were observed is less than the mean final exam score for the ten women that were observed. The results are statistically insignificant at αα = 0.10, so there is insufficient evidence to conclude that the population mean statistics final exam score for men is less than the population mean statistics final exam score for women.
Do men score lower on average compared to women on their statistics finals? Final exam scores of eleven randomly selected male statistics students and ten randomly selected female statistics students are shown below.
Male: 77 76 91 77 56 83 77 71 65 59 66
Female: 84 99 75 87 89 68 85 99 80 80
Assume both follow a Normal distribution. What can be concluded at the the αα = 0.10 level of significance level of significance?
For this study, we should use Select an answer z-test for a population proportion z-test for the difference between two population proportions t-test for the difference between two independent population means t-test for a population
- The null and alternative hypotheses would be:
H0:H0: Select an answer μ1 p1 Select an answer ≠ = < > Select an answer p2 μ2 (please enter a decimal)
H1:H1: Select an answer μ1 p1 Select an answer > < ≠ = Select an answer μ2 p2 (Please enter a decimal)
- The test statistic ? t z = (please show your answer to 3 decimal places.)
- The p-value = (Please show your answer to 4 decimal places.)
- The p-value is ? ≤ > αα
- Based on this, we should Select an answer reject fail to reject accept the null hypothesis.
- Thus, the final conclusion is that ...
- The results are statistically insignificant at αα = 0.10, so there is statistically significant evidence to conclude that the population mean statistics final exam score for men is equal to the population mean statistics final exam score for women.
- The results are statistically significant at αα = 0.10, so there is sufficient evidence to conclude that the population mean statistics final exam score for men is less than the population mean statistics final exam score for women.
- The results are statistically significant at αα = 0.10, so there is sufficient evidence to conclude that the mean final exam score for the eleven men that were observed is less than the mean final exam score for the ten women that were observed.
- The results are statistically insignificant at αα = 0.10, so there is insufficient evidence to conclude that the population mean statistics final exam score for men is less than the population mean statistics final exam score for women.
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