Can you please help me understand how the answer arrived at .975 for the area under the curve in reference to the follwing question? The solution in Bartleby mentions that the cummulative area is .975 to the left and I don't understand where that value come from.   Books: MYLAB ELEMENTARY STATISTICS, Larson, Publisher: INTER PEAR, ISBN: 9780136797173 1TY question 2 Question: Find the positive z-score for which 95% of the distribution's area lies between -z and z.

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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.