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Prep.final%20answ(odd#)

# Prep.final%20answ(odd#) - Problem 1 a 2 =20,93 02,01 = 9,21...

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Problem  1  a)     2 =20,93 χ 21 , 9 2 01 , 0 = χ Teachers salary and consumption of the liqouir are dependent classifications b)  sample is large enough because (0.14 ± 0,096) lies within (0,1) ;l 99% confidence interval is (0,05776; 0,22224) c)  n =319 Problem  3 a) Y = -0,144 + 1,305x b) t=7,553 2 / α t =2.02 Linear relationship exists c)   r=0,96 Problem  5 a)   Interval (16,57; 31,35) b)    (13,51;17,58) Problem  7 a)     Z=7,16 2 / Z =1,96 There is a difference in means of index of clerical personel and managers

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Prep.final%20answ(odd#) - Problem 1 a 2 =20,93 02,01 = 9,21...

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