ees in th in the assembl Q15. One criterion used to evaluate employees number of
ID: 3365833 • Letter: E
Question
ees in th in the assembl Q15. One criterion used to evaluate employees number of defective pieces per 1,000 parts qu out whether there is a relationship between years of experien terms of High, Average or Low is calculated for each worker in e nd defect 100 workers based on years of experiences are given in the ta aluate emploroduced. The quality control department wants to find section of a large factory is the and defect rate. A defect rate in a yearly evaluation. The results for ble below. to properly analyze the data in this Referring to the Table below, which test would be used riment to determine whether there is a relationship between defect rate and years of experience? 1 Year!Explanation / Answer
a) chi square test for independence is correct
TS = 1.35 < critical value
we fail to reject the null hypothesis
c1 c2 c3 sum r1 6 9 9 24 r2 9 19 23 51 r3 7 8 10 25 sum 22 36 42 100 Eij 1 2 3 expected 1 5.28 8.64 10.08 2 11.22 18.36 21.42 3 5.5 9 10.5 0i 6 9 9 9 19 23 7 8 10 Ei 5.28 8.64 10.08 11.22 18.36 21.42 5.5 9 10.5 (Oi-Ei)^2/Ei 0.098182 0.015 0.115714 0.439251 0.022309 0.116545 0.409091 0.111111 0.02381 Test statistic 1.351014 critical value 9.487729Related Questions
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