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LAB REPORT 2 (NUR ILYA MAISARAH BINTI YUSRI_2020831142_KBA2403A) Flipbook PDF
LAB REPORT 2 (NUR ILYA MAISARAH BINTI YUSRI_2020831142_KBA2403A)
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LAB REPORT : NAME : NUR ILYA MAISARAH BINTI YUSRI STUDENT ID : 2020831142 GROUP : KBA2403A QUESTION 2 : The director of human resources for a large bank has compiled a data of about 70 former employees at one of the bankβs call centres. For each of the following, assume equal variances of the two populations. a) Test the null hypothesis that the average length of service for males is the same for females. Null hypothesis: The average length of service for male and female the same π―π : π π = π π Alternative hypothesis: The average length of service for male and female are not the same π―π : π π β π π t-Test: Two-Sample Assuming Equal Variances Column1 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T