Question Solved1 Answer calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class if necessary around one more decimal place than the largest number of decimal places given in the data? Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class. If necessary, round to one more decimal place than the largest number of decimal places given in the data Final Exam Scores Class Frequency 10 51.60 Es 61-70 7180 2 81.00 2 91100 Copy Data

CQXS9D The Asker · Probability and Statistics
calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class if necessary around one more decimal place than the largest number of decimal places given in the data?
Transcribed Image Text: Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class. If necessary, round to one more decimal place than the largest number of decimal places given in the data Final Exam Scores Class Frequency 10 51.60 Es 61-70 7180 2 81.00 2 91100 Copy Data
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Transcribed Image Text: Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class. If necessary, round to one more decimal place than the largest number of decimal places given in the data Final Exam Scores Class Frequency 10 51.60 Es 61-70 7180 2 81.00 2 91100 Copy Data
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First of all, we have to convert the classintervals in continuous form.{:[d=61-60],[d=1]:}Adding (d)/(2)=0.5 in the upper class limit of each class and subbracting the same. from the lower linit of each classwhere,{:[ bar(x)=(1)/(N)sumx_(i)],[ ... See the full answer