Redshifts of quasi-stellar objects. Refer to the Journal of Astrophysics & Astronomy (Mar./Jun. 2003) study of red- shifts in quasi-stellar objects presented in Exercise 11.27 (p. 599). Recall that simple linear regression was used to model the magnitude (y) of a quasi-stellar object as a function of the redshift level (x). In addition to the least 10 12

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A: To use normal approximation, the following conditions should be satisfied. np>5 and n(1-p)>5

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.