(a) Find a 99% confidence interval for the mean change in score ? in the population of all high school seniors. (Enter your answers rounded to two decimal places.) lower bound of confidence interval:     upper bound of confidence interval:     (b) What is the margin of error for 99% ? (Enter your answer rounded to two decimal places.) margin of error:     (c) Suppose we had an SRS of just 100 high school seniors. What would be the margin of error for 99% confidence? (Enter your answer rounded to three decimal places.) margin of error:

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.