A psychology professor assigns letter grades on a test according to the following scheme. A: Top 5%of scores B: Scores below the top 5% and above the bottom 60% C: Scores below the top 40% and above the bottom 22% D: Scores below the top 78%and above the bottom 7% F: Bottom 7%of scores Scores on the test are normally distributed with a mean of 72.8 and a standard deviation of 9.4. Find the numerical limits for a C grade. Round your answers to the nearest whole number, if necessary.

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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.