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Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19.3 pages of essay writing for the course. The standard deviation for these 47 classes was 5.5 pages. The 40 randomly selected history classes assigned an average of 21.8 pages of essay writing for the course. The standard deviation for these 40 classes was 3.9 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 H1: 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 ?v a 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 significant at a = 0.10, so there is súfficient evidence to conclude that the mean number of required pages for the 47 political science classes that were observed is less than the mean number of required pages for the 40 history classes that were observed. The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of pages of writing that political science classes require is equal to the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require.

Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19.3 pages of essay writing for the course. The standard deviation for these 47 classes was 5.5 pages. The 40 randomly selected history classes assigned an average of 21.8 pages of essay writing for the course. The standard deviation for these 40 classes was 3.9 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 H1: 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 ?v a 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 significant at a = 0.10, so there is súfficient evidence to conclude that the mean number of required pages for the 47 political science classes that were observed is less than the mean number of required pages for the 40 history classes that were observed. The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of pages of writing that political science classes require is equal to the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19.3 pages of essay writing for the course. The standard deviation for these 47 classes was 5.5 pages. The 40 randomly selected history classes assigned an average of 21.8 pages of essay writing for the course. The standard deviation for these 40 classes was 3.9 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 v Hj : |Select an answer ♥ Select an answer ♥ Select an answer ♥ b. The test statistic ? v = (please show your answer to 3 decimal places.) с. The p-valuе - (Please show your answer to 4 decimal places.) d. The p-value is ? v a e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... O The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the mean number of required pages for the 47 political science classes that were observed is less than the mean number of required pages for the 40 history classes that were observed. O The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of pages of writing that political science classes require is equal to the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require.
Transcribed Image Text:Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19.3 pages of essay writing for the course. The standard deviation for these 47 classes was 5.5 pages. The 40 randomly selected history classes assigned an average of 21.8 pages of essay writing for the course. The standard deviation for these 40 classes was 3.9 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 v Hj : |Select an answer ♥ Select an answer ♥ Select an answer ♥ b. The test statistic ? v = (please show your answer to 3 decimal places.) с. The p-valuе - (Please show your answer to 4 decimal places.) d. The p-value is ? v a e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... O The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the mean number of required pages for the 47 political science classes that were observed is less than the mean number of required pages for the 40 history classes that were observed. O The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of pages of writing that political science classes require is equal to the population mean number of pages of writing that history classes require. O The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean number of pages of writing that political science classes require is less than the population mean number of pages of writing that history classes require.
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