You may need to use the appropriate technology to answer this question. Suppose the price per share of stock for a sample of 25 companies was recorded at the beginning of the first financial quarter and then again at the end of the first financial quarter. How stocks perform during the first financial quarter is an indicator of what is ahead for the stock market and the economy Come dis quarter Day 1 Compare Como Com Can Com Com Camper Com Cam2 Comes Let d denote the percentage change in price per share for company where end of 1st quarter price per share - beginning of Ist quarter price per share beginning of 1st quarter price per Share Use the sample mean of these values to estimate the percentage change in the stock price over the first quarter. (Round your answer to one decimal place.) What is the 95% confidence interval estimate of the population mean percentage change in the price per share of stock during the first quarter? (Round your answers to one decimal place.) % to % Interpret this result Because the 95% confidence interval zero, we can be 95% confident that the population mean percentage change in the price per share of stock A travel association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Current Press Year 256 635 17 eas mean Formulate the hypotheses and test for a significant domestic airfare for business travel for the one-year period. . Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value- Using a 0.05 level of significance, what is your conclusion? Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. Do not reject Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period. Reject H. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period Do not reject Ma. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period. What is the sample mean domestic airfare (in dollars) for business travel for each year? What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) % You may need to use the appropriate technology to answer this question. Suppose the price per share of stock for a sample of 25 companies was recorded at the beginning of the first financial quarter and then again at the end of the first financial quarter. How stocks perform during the first financial quarter is an indicator of what is ahead for the stock market and the economy Come dis quarter Day 1 Compare Como Com Can Com Com Camper Com Cam2 Comes Let d denote the percentage change in price per share for company where end of 1st quarter price per share - beginning of Ist quarter price per share beginning of 1st quarter price per Share Use the sample mean of these values to estimate the percentage change in the stock price over the first quarter. (Round your answer to one decimal place.) What is the 95% confidence interval estimate of the population mean percentage change in the price per share of stock during the first quarter? (Round your answers to one decimal place.) % to % Interpret this result Because the 95% confidence interval zero, we can be 95% confident that the population mean percentage change in the price per share of stock A travel association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Current Press Year 256 635 17 eas mean Formulate the hypotheses and test for a significant domestic airfare for business travel for the one-year period. . Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value- Using a 0.05 level of significance, what is your conclusion? Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. Do not reject Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period. Reject H. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period Do not reject Ma. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one- year period. What is the sample mean domestic airfare (in dollars) for business travel for each year? What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) %