calculated that the taxi drivers spent average 9.25 hours  in a day  assume that the distribution is normal for each taxi drivers  a sample size is 16 taxi drivers  the population variance was known to be  2.25   find out the probabiliy that the sample mean above 13 hours

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A: A here n=50 sum of values =897.7 therefore mean = 897.7/50                          = 17.954…

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.