# Question

This problem continues the analysis of McDonald’s and Dow Jones stock market data.

a. Find the 95% confidence interval for the percent change in McDonald’s stock on a day in which the Dow Jones Index is unchanged.

b. Find the 95% confidence interval for the mean percent change in McDonald’s stock for the idealized population of all days in which the Dow Jones Index is unchanged.

c. Find the 95% confidence interval for the percent change in McDonald’s stock on a day in which the Dow Jones Index is up 1.5%.

d. Find the 95% confidence interval for the mean percent change in McDonald’s stock for the idealized population of all days in which the Dow Jones Index is up 1.5%.

a. Find the 95% confidence interval for the percent change in McDonald’s stock on a day in which the Dow Jones Index is unchanged.

b. Find the 95% confidence interval for the mean percent change in McDonald’s stock for the idealized population of all days in which the Dow Jones Index is unchanged.

c. Find the 95% confidence interval for the percent change in McDonald’s stock on a day in which the Dow Jones Index is up 1.5%.

d. Find the 95% confidence interval for the mean percent change in McDonald’s stock for the idealized population of all days in which the Dow Jones Index is up 1.5%.

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