Find the standard​ deviation, s, of sample data summarized in the frequency distribution table given below by using the formula​ below, where x represents the class​ midpoint, f represents the class​ frequency, and n represents the total number of sample values.​ Also, compare the computed standard deviation to the standard deviation obtained from the original list of data​ values, 9.0.   s=n∑f•x2−∑(f•x)2n(n−1)   Interval 20​-26 27​-33 34​-40 41​-47 48​-54 55​-61   Frequency 4 22 36 16 8 4

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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.