Applying the Concepts and SkillsStudy Time and Score.  An instructor at Arizona State University asked a random sample of eight students to record their study times in a beginning calculus course. She then made a table for total hours studied (x) over 2 weeks and test score (y) at the end of the 2 weeks. Here are the results. x 10 15 12 20 8 16 14 22 y 92 81 84 74 85 80 84 80 Corvette Prices. Following are the age and price data for Corvettes from Exercise 15.23. x 6 6 6 2 2 5 4 5 1 4 y 290 280 295 425 384 315 355 328 425 325 At the 5% level of significance, do the data provide sufficient evidence to conclude that age and price of Corvettes are negatively linearly correlated?

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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.