(Solved): The price per share of stock for a sample of 25 companies was recorded at the beginning of the fir ...

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 quarter is an indicator of what is ahead for the stock market and the economy. Use the sample data in the file StockQuarter to answer the following. Click on the datafile logo to reference the data. Use the sample mean of these values to estimate the percentage change in the stock price over the first quarter. Do not round intermediate calculations. Enter negative value as negative number, if any. (to 3 decimals) b. What is the \( 99 \% \) confidence interval estimate of the population mean percentage change in the price per share of stock during the first quarter? Do not round intermediate calculations. Enter negative values as negative numbers, if any. Confidence interval ( Interpret this result. The stock market experiences in prices.