2:00 webassign.net State the null and alternate hypotheses. Ho: P- 0.301; H: p > 0.301 O Hoi p- 0.301; Hp< 0.301 O Hoi p< 0.301; H:p - 0.301 O Ho: p- 0.301; H,p+ 0.301 (b) What sampling distribution will you use? The standard normal, since np > 5 and ng > 5. The standard normal, since np < 5 and ng < 5. The Student's t, since np > 5 and ng > 5. The Student's t, since np < 5 and ng < 5. What is the value of the sample test statistic? (Round your answer to two decimal places.) (C) Find the P-value of the test statistic. (Round your answer to four decimal places.) Sketch the sampling distribution and show the area corresponding to the P-value. -1 -1 (d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level a? At the a- 0.10 level, we reject the null hypothesis and conclude the data are statistically significant. At the a- 0.10 level, we reject the null hypothesis and conclude the data are not statistically significant. At the a- 0.10 level, we fail to reject the null hypothesis and conclude the data are statistically significant. O At the a = 0.10 level, we fail to reject the null hypothesis and conclude the data are not statistically significant. (e) Interpret your conclusion in the context of the application. There is sufficient evidence at the 0.10 level to conclude that the true proportion of numbers with a leading 1 in the revenue file is less than 0.301. There is insufficient evidence at the 0.10 level to conclude that the true proportion of numbers with a leading 1 in the revenue file is less than 0.301. (ii) If p is in fact less than 0.301, would it make you suspect that there are not enough numbers in the data file with leading 1's? Could this indicate that the books have been "cooked" by "pumping up" or inflating the numbers? Comment from the viewpoint of a stockholder. Comment from the perspective of the Federal Bureau of Investigation as it looks for money laundering in the form of false profits. Yes. The revenue data file does not seem to include more numbers with higher first nonzero digits than Benford's law predicts. Yes. The revenue data file seems to include more numbers with higher first nonzero digits than Benford's law predicts.
2:00 webassign.net State the null and alternate hypotheses. Ho: P- 0.301; H: p > 0.301 O Hoi p- 0.301; Hp< 0.301 O Hoi p< 0.301; H:p - 0.301 O Ho: p- 0.301; H,p+ 0.301 (b) What sampling distribution will you use? The standard normal, since np > 5 and ng > 5. The standard normal, since np < 5 and ng < 5. The Student's t, since np > 5 and ng > 5. The Student's t, since np < 5 and ng < 5. What is the value of the sample test statistic? (Round your answer to two decimal places.) (C) Find the P-value of the test statistic. (Round your answer to four decimal places.) Sketch the sampling distribution and show the area corresponding to the P-value. -1 -1 (d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level a? At the a- 0.10 level, we reject the null hypothesis and conclude the data are statistically significant. At the a- 0.10 level, we reject the null hypothesis and conclude the data are not statistically significant. At the a- 0.10 level, we fail to reject the null hypothesis and conclude the data are statistically significant. O At the a = 0.10 level, we fail to reject the null hypothesis and conclude the data are not statistically significant. (e) Interpret your conclusion in the context of the application. There is sufficient evidence at the 0.10 level to conclude that the true proportion of numbers with a leading 1 in the revenue file is less than 0.301. There is insufficient evidence at the 0.10 level to conclude that the true proportion of numbers with a leading 1 in the revenue file is less than 0.301. (ii) If p is in fact less than 0.301, would it make you suspect that there are not enough numbers in the data file with leading 1's? Could this indicate that the books have been "cooked" by "pumping up" or inflating the numbers? Comment from the viewpoint of a stockholder. Comment from the perspective of the Federal Bureau of Investigation as it looks for money laundering in the form of false profits. Yes. The revenue data file does not seem to include more numbers with higher first nonzero digits than Benford's law predicts. Yes. The revenue data file seems to include more numbers with higher first nonzero digits than Benford's law predicts.
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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