Question

200 employees (two categories of staff member "Professional and "Support") were asked to participate in a training program. After completing the program, the employees were asked to evaluate this program (three types of opinion: "Harmful", "No effect", "Helpful"). The answers are: Professional staff: "Harmful": 10; "No effect": 25; "Helpful": 65; Support staff: "Harmful": 16; "No effect": 37; "Helpful": 47. Is "Opinion" independent of "Employee category"? Calculate Chi-square (round to one decimal place) What is the corresponding degree of freedom DF Enter the p-value (round to three decimal places) Employee category at 5% significance level? Enter the correct Conclusions: based on the results, do you think that Opinion is dependent on answer using the following options: A. Not independent at 5% significance level. B. Independent with 95% confidence. C. Do not reject that they are independent at 5% significance level and reserve Judgement. We may accept independence, but with some unknown probability D. Reject both, HO and H1, the test has failed. E. Accept both, HO and H1, the test has failed.

Answer 1

Rapuusent the given dlauta in tabl 3- | | 47 | 100 Cekhurm Totala 26G2 12 2.00 fot each Cells calculati erpeded fxquency fôr each catls cscolumo tODx G2 2.00 200 e 2,2 260 eric see the tabe below

o 69 13 1.L6 2.5 36 31 65 -45 5 6 8y .69 13 1 6 1.16 31 36 37 81 145 で比a/ 6、60 ust th db-2 at 5-у, Sauel ob Significance to saject the nul hypo theses (C) Cat悠6.61P-2 P-value co-636633