Solution: Finding Standard Deviation from a Frequency Distribution. In Exercises 3740
Chapter 3, Problem 38(choose chapter or problem)
Finding Standard Deviation from a Frequency Distribution. In Exercises 3740, find the standard deviation of sample data summarized in a frequency distribution table 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 deviations to these standard deviations obtained by using Formula 34 with the original list of data values: (Exercise 37) 11.1 years (Exercise 38) 9.0 years (Exercise 39) 13.4 (Exercise 40) 9.7 years.Age of Best Actor When Oscar Was Won Frequency2029 13039 264049 355059 136069 67079 1
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