Do political science classes require less writing than history classes? The 41 randomly selected political scienceclasses assigned an average of 18 pages of essay writing for the course. The standard deviation for these 41classes was 3.1 pages. The 50 randomly selected history classes assigned an average of 20.1 pages of essaywriting for the course. The standard deviation for these 50 classes was 6 pages. What can be concluded at thea = 0.01 level of significance?For this study, we should use Select an answera. The null and alternative hypotheses would be:Ho: Select an answerH₁: Select an answerSelect an answerSelect an answerb. The test statistic? =Select an answerSelect an answer OHint: Helpful Video [+]Hints(please show your answer to 3 decimal places.)c. The p-value =d. The p-value isαe. Based on this, we should Select an answer the null hypothesis.f. Thus, the final conclusion is that ...(Please show your answer to 4 decimal places.)O The results are statistically insignificant at a = 0.01, so there is statistically significant evidenceto conclude that the population mean number of pages of writing that political science classesrequire is equal to the population mean number of pages of writing that history classes require.O The results are statistically insignificant at a = 0.01, so there is insufficient evidence to concludethat the population mean number of pages of writing that political science classes require is lessthan the population mean number of pages of writing that history classes require.O The results are statistically significant at a = 0.01, so there is sufficient evidence to concludethat the mean number of required pages for the 41 political science classes that were observed isless than the mean number of required pages for the 50 history classes that were observed.Question Help: Message instructorO The results are statistically significant at a = 0.01, so there is sufficient evidence to concludethat the population mean number of pages of writing that political science classes require is lessthan the population mean number of pages of writing that history classes require.

The objective is to determine if there is a significant difference in the average pages of his…

Answered: Do political science classes require…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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According to the College Board, scores on the math section of the SAT Reasoning college entrance test for the class of 2010 had a mean of 516 and a standard deviation of 116. Assume that they are roughly normal.One of the quartiles of the scores from the math section of the SAT Reasoning test is 438. The other quartile is _______.
please answer D E & F
Do political science classes require less writing than history classes? The 43 randomly selected political science classes assigned an average of 14.6 pages of essay writing for the course. The standard deviation for these 43 classes was 5.9 pages. The 52 randomly selected history classes assigned an average of 15.4 pages of essay writing for the course. The standard deviation for these 52 classes was 4.5 pages. What can be concluded at the a= 0.01 level of significance? For this study, we should use t-test for the difference between two independent population means a. The null and alternative hypotheses would be: Ho: 1 H₁: 1 C O μ2 C Add Work μ2 b. The test statistic t c. The p-value = 0.2279 d. The p-value is ? a e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... 0.749 (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) O The results are statistically insignificant at a = 0.01, so there…
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The mean finish time for a yearly amateur auto race was 186.63 minutes with a standard deviation of 0.379 minute. The winning car, driven by Perry, finished in 185.99 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.128 minute. The winning car that year, driven by Sally, finished in 110.02 minutes. Find their respective z-scores. Who had the more convincing victory? Perry had a finish time with a z-score of Sally had a finish time with a z-score of (Round to two decimal places as needed.) Which driver had a more convincing victory? O A. Perry a more convincing victory because of a higher z-score. O B. Perry a more convincing victory because of a lower z-score. O C. Sally had a more convincing victory because of a higher z-score. O D. Sally had a more convincing victory because of a lower z-score.
Do political science classes require less writing than history classes? The 41 randomly selected political science classes assigned an average of 13.1 pages of essay writing for the course. The standard deviation for these 41 classes was 5.8 pages. The 44 randomly selected history classes assigned an average of 14 pages of essay writing for the course. The standard deviation for these 44 classes was 5.5 pages. What can be concluded at the � = 0.01 level of significance?
bcd.
Parents of teenage boys often complain that auto insurance costs more, on average, for teenage boys than for teenage girls. A group of concerned parents examines a random sample of insurance bills. The mean annual cost for 36 teenage boys was $672. For 23 teenage girls, it was $559. From past years, it is known that the population standard deviation for each group is $180. Determine whether or not you believe that the mean cost for auto insurance for teenage boys is greater than that for teenage girls. Conduct a hypothesis test at the 5% level. State the distribution to use for the test. (Round your answers to two decimal places.) What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) i. ii. ii.
R Do political science classes require more writing than history classes? The 55 randomly selected political science classes assigned an average of 16.9 pages of essay writing for the course. The standard deviation for these 55 classes was 3.8 pages. The 44 randomly selected history classes assigned an average of 14.8 pages of essay writing for the course. The standard deviation for these 44 classes was 4.6 pages. What can be concluded at the a = 0.10 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Select an answer Select an answer Select an answer Select an answer Select an answer Select an answer b. The test statistic ? O (please show your answer to 3 decimal places.) c. The p-value (Please show your answer to 4 decimal places.) %3D d. The p-value is ? a e. Based on this, we should Select an answer O the null hypothesis. f. Thus, the final conclusion is that ... The results are statistically significant at a =…
Do political science classes require more writing than history classes? The 54 randomly selected political science classes assigned an average of 16.4 pages of essay writing for the course. The standard deviation for these 54 classes was 4.8 pages. The 52 randomly selected history classes assigned an average of 15.8 pages of essay writing for the course. The standard deviation for these 52 classes was 4.6 pages. What can be concluded at the a = 0.10 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer Select an answer Select an answer H1: Select an answer Select an answer Select an answer b. The test statistic ? V = (please show your answer to 3 decimal places.) c. The p-value = d. The p-value is ? Va e. Based on this, we should Select an answer f. Thus, the final conclusion is that ... |(Please show your answer to 4 decimal places.) ] the null hypothesis. O The results are statistically…
Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19 pages of essay writing for the course. The standard deviation for these 47 classes was 5.6 pages. The 56 randomly selected history classes assigned an average of 21.9 pages of essay writing for the course. The standard deviation for these 56 classes was 4.1 pages. What can be concluded at the a = 0.10 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer v Select an answer v Select an answer v H: Select an answer v Select an answer v Select an answer v b. The test statistic ? v = (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.) d. The p-value is ? va e. Based on this, we should Select an answer v the null hypothesis. f. Thus, the final conclusion is that ... O The results are statistically…
Please answer B, C, & D.

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