Do political science classes require the same amount of writing as history classes? The 45 randomly selected political science classes assigned an average of 15.7 pages of essay writing for the course. The standard deviation for these 45 classes was 3.3 pages. The 56 randomly selected history classes assigned an average of 12.8 pages of essay writing for the course. The standard deviation for these 56 classes was 5.5 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: Họ: Select an answer v Select an answer ♥ Select an answer ♥ Hj: Select an answer v Select an answer v Select an answer b. The test statistic ? (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 v 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 = 0.10, so there is insufficient evidence to conclude that the population mean number of pages of writing that political science classes require is not the same as 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 significant at a = 0.10, so there is sufficient evidence to conclude that the mean number of required pages for the 45 political science classes that were observed is not the same as the mean number of required pages for the 56 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 not the same as the population mean number of pages of writing that history classes require.

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Do political science classes require the same amount of writing as history classes? The 45 randomly selected
political science classes assigned an average of 15.7 pages of essay writing for the course. The standard
deviation for these 45 classes was 3.3 pages. The 56 randomly selected history classes assigned an average
of 12.8 pages of essay writing for the course. The standard deviation for these 56 classes was 5.5 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
H: Select an answer
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 ? 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 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 not the same as 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 significant at a = 0.10, so there is sufficient evidence to conclude
that the mean number of required pages for the 45 political science classes that were observed
is not the same as the mean number of required pages for the 56 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
not the same as the population mean number of pages of writing that history classes require.
Transcribed Image Text:Do political science classes require the same amount of writing as history classes? The 45 randomly selected political science classes assigned an average of 15.7 pages of essay writing for the course. The standard deviation for these 45 classes was 3.3 pages. The 56 randomly selected history classes assigned an average of 12.8 pages of essay writing for the course. The standard deviation for these 56 classes was 5.5 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 H: Select an answer 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 ? 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 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 not the same as 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 significant at a = 0.10, so there is sufficient evidence to conclude that the mean number of required pages for the 45 political science classes that were observed is not the same as the mean number of required pages for the 56 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 not the same as the population mean number of pages of writing that history classes require.
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