2. A set of Midterm examination grades in an introductory statistics course is normally distributed, as following: Name Grade Name Grade 80 60 Hakim 60 Hadi Joko 70 Ilham Budi 60 Ana 80 Ani Aji 70 Anisa 90 Siti 80 a. Calculate mean and standard deviation b. What is the probability that a student scored below 90 on this exam? C. What is the probability that a student scored between 70 and 80? 88888

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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.