Do men score lower on average compared to women on their statistics finals? Final exam scores of thirteen randomly selected male statistics students and ten randomly selected female statistics students are shown below. Male: 68 91 78 66 67 79 78 82 81 66 56 86 66 Female: 88 95 99 99 99 73 79 84 98 74 Assume both follow a Normal distribution. What can be concluded at the the a = 0.05 level of significance level of significance?

What are the values for SS and variance for the following sample of n = 3 scores? Sample:  8, 5, 2

There are three different ways I can go to work in the morning. I want to see if there is a difference in the distributions of travel-times between the three different ways. The sample data is depicted below. I claim there is a difference in mean travel times between the three different routes. I cannot guarantee that the distributions of these travel times are Normal.     Travel Time in Minutes Interstate 22 22 21 23 22 21 Route 15 22 18 20 18     Back Roads 19 19 18 19 22   (a) Enter the rank values in the same order as in the original sample.   Interstate             Route 15         Back Roads           (b) Give the value of the test statistic:  (c) Test my claim at the 10% significance level.Enter the critical value: There is sufficient evidence to conclude that the population means are not equal.YesNo (d) Does your conclusion change at the 5% significance level?YesNo

What is the comple solution and answer for this problem involving ANOVA?

what is the answer?

The average retirement age in America is 64 years old. Do small business owners retire at a younger average age? The data below shows the results of a survey of small business owners who have recently retired. Assume that the distribution of the population is normal. 63, 54, 69, 69, 53, 53, 71, 51, 61, 60, 69, 54 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Но: μν H1: c. The test statistic t (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) II

The average retirement age in America is 62 years old. Do small business owners retire at an older average age? The data below shows the results of a survey of small business owners who have recently retired. Assume that the distribution of the population is normal. 73, 55, 72, 67, 56, 66, 56, 55, 74, 65, 62, 72, 75 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho ? ◇ Select an answer H₁: ? ✨ Select an answer ✰ c. The test statistic? = your answer to 3 decimal places.) d. The p-value = to 4 decimal places.) e. The p-value is ? ✨ a (please show (Please show your answer f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly older than 62 at a = 0.01, so there is sufficient evidence to conclude that the population mean retirement age for…

The number of traffic accidents in a city was recorded for a year is as reported below. What is the sample variance? Jan Feb Mar Apr May Jun | Jul Oct Aug Sep Nov 18 18 20 19 37 28 48 36 38 41 35 O 131.61 ○ 117.00 ○ 116.00 O 120.63