pdf notes of chi-square test | Chi square test notes in PDF

 PDF notes of chi-square test | 

Chi Square test notes in PDF

Thanks For Watching In this article we are discussed basic concept of Chi Square test. This article helpful to Engineering Students and also helpful to MSc/BSc/CSIR NET / GATE/IIT JAM students. #ammathstutorials #testof_hypothesis #aktumaths #studentTtest #csirnet_mathematics #gate_mathematics #iitjam_mathematics #polytechnic_mathematics

chi square test, chi square distribution, chi square for engineering students, chi square goodness of fit test, chi square test genetics, chi square distribution in statistics in hindi, chi square genetics, chi square test for random numbers, chi square test p value, chi square distribution question, Q.1)The following table gives the classification of 100 workers according to male and female and nature of work. test whether nature of work is independent of the male and female workers.  Skilled unskilled male 40 20 female 10 30

Q.2) A chemical extraction plant process sea water to collect sodium chloride and magnesium. It is known that sea water contains sodium chloride , magnesium and other elements in the ratio 62:4:34 .A sample of 200 tons of sea water has resulted 130 tons of sodium chloride and 6 tons of magnesium. Are these data consistent with the known composition of sea water at 5% level of significance . (given that the tabular value of chi -square is 5.991 for 2 degree of freedom . Q.3) A sample analysis of examination results of 200 B.Tech. students was made. It was found that 46 students has failed , 68 secured a third division , 62 secured a second division and rest were placed in first division. Are these figures commensurate with general examination result which in the ratio 2:3:3:2 for various categories respectively. The tabular value of chi-square at 3 degree of freedom at 5% level of significance is 7.815