Suppose that, for a certain mathematics class, the scores are normally distributed with a mean of 75 and a standard deviation of 7. The teacher wishes to give A's to the top 6% of the students and F's to the bottom 6%. The next 16% in either direction will be given B's and D's, with the other students receiving C's. What is the cumulative distribution? Grade     Percent     Cumulative     A     6%      %      B     16%      %      C      %      %      D     16%      %      F     6%      %

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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.