The graduate Management Admission Test (gMAT) is a standardized exam used by manyuniversities as part of the assessment for admission to graduate study in business. The average gMAT score is 547 (Magoosh website, January 5, 2015). Assume that gMAT scoresare bell-shaped with a standard deviation of 100.a. What percentage of gMAT scores are 647 or higher?b. What percentage of gMAT scores are 747 or higher?c. What percentage of gMAT scores are between 447 and 547?d. What percentage of gMAT scores are between 347 and 647?

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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.