The total energy needed during pregnancy is normally distributed, with a mean of 2600 kcal/day and a standard deviation of 50 kcal/day (Source: American Dietetic Association).  1) Is the total energy need during pregnancy qualitative or quantitative? 2) What is the probability that a randomly selected pregnant woman has an energy need of more than 2620 kcal/day? Is this unusual? (round four decimal places) 3) Describe the sampling distribution of the sample mean daily energy requirement for a random sample of 25 pregnant women.

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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.