The weights of 100 female students aged 15-20 years have a mean of 120 pounds and a standard deviation of 6 pounds.   How many females weigh between 110 and 130 pounds? Approximate the number of females whose weight is below 110 pounds. What is the probability that a female student selected at random will have a weight above 140 pounds?

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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.