Do left handed starting pitchers pitch the same number of innings per game on average as right handed starting pitchers? A researcher looked at eleven randomly selected left handed starting pitchers' games and ten randomly selected right handed pitchers' games. The table below shows the results. Left: 7 7 5 6 7 6 7 7 6 4 Right: 6 7 5 6 7 7 8 7 6 Assume that both populations follow a normal distribution. What can be concluded at the the a = 0.10 level of significance 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 (please enter a decimal) Select an answer ◇ (Please enter a decimal) Select an answer Select an answer b. The test statistic? = your answer to 3 decimal places.) c. The p-value = to 4 decimal places.) d. The p-value is ? ✰ a (please show (Please show your answer e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the mean innings per game for the eleven left handed starting pitchers that were looked at is not the same as the mean innings per game for the ten right handed starting pitchers that were looked at. The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean innings per game for left handed starting pitchers is equal to the population mean innings per game for right handed starting pitchers. The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean innings per game for left handed starting pitchers is not the same as the population mean innings per game for right handed starting pitchers. The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean innings per game for left handed starting pitchers is not the same as the population mean innings per game for right handed starting pitchers. g. Interpret the p-value in the context of the study. O There is a 42.96% chance that the mean innings per game for the 10 lefties differs by at least 0.4 innings per game compared to the 9 righties. If the sample mean innings per game for the 10 lefties is the same as the sample mean innings per game for the 9 righties and if another another 10 lefties and 9 righties are observed
Do left handed starting pitchers pitch the same number of innings per game on average as right handed starting pitchers? A researcher looked at eleven randomly selected left handed starting pitchers' games and ten randomly selected right handed pitchers' games. The table below shows the results. Left: 7 7 5 6 7 6 7 7 6 4 Right: 6 7 5 6 7 7 8 7 6 Assume that both populations follow a normal distribution. What can be concluded at the the a = 0.10 level of significance 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 (please enter a decimal) Select an answer ◇ (Please enter a decimal) Select an answer Select an answer b. The test statistic? = your answer to 3 decimal places.) c. The p-value = to 4 decimal places.) d. The p-value is ? ✰ a (please show (Please show your answer e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the mean innings per game for the eleven left handed starting pitchers that were looked at is not the same as the mean innings per game for the ten right handed starting pitchers that were looked at. The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean innings per game for left handed starting pitchers is equal to the population mean innings per game for right handed starting pitchers. The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean innings per game for left handed starting pitchers is not the same as the population mean innings per game for right handed starting pitchers. The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean innings per game for left handed starting pitchers is not the same as the population mean innings per game for right handed starting pitchers. g. Interpret the p-value in the context of the study. O There is a 42.96% chance that the mean innings per game for the 10 lefties differs by at least 0.4 innings per game compared to the 9 righties. If the sample mean innings per game for the 10 lefties is the same as the sample mean innings per game for the 9 righties and if another another 10 lefties and 9 righties are observed
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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