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3. Pengurus cawangan ZY Stores meletak jawatan, dan tiga jurujual di cawangan itu sedang dipertimbangkan untuk jawatan itu. Ketiga-tiganya mempunyai tempoh perkhidmatan, pendidikan dan sebagainya

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3. Pengurus cawangan ZY Stores meletak jawatan, dan tiga jurujual di cawangan itu sedang dipertimbangkan untuk jawatan itu. Ketiga-tiganya mempunyai tempoh perkhidmatan, pendidikan dan sebagainya yang hampir sama. Untuk membuat keputusan, adalah dicadangkan supaya setiap rekod jualan bulanan mereka diperiksa. Lakukan analisis varians (ANOVA) untuk melihat sama ada terdapat sebarang perbezaan dalam jualan bulanan di kalangan jurujual . (Gunakan a= 0.05). The manager of a branch of ZY Stores resigned, and three salespeople at the branch are being considered for the position. All three have about the same length of service, education and so on. In order to make a decision, it was suggested that each of their monthly sales record be examined. Perform an analysis of variance (ANOVA) to see if there is any difference in monthly sales among the salespeople . (Use a = 0.05). Jualan Bulanan Monthly Sales (RM'000) Ms. Alina Mr. Sufian Ms. Suzi 15 15 19 10 10 12 9 12 16 5 11 16 16 12 12 c) Buat keputusan anda mengenai hipotesis nol sama ada menolak atau gagal untuk menolak hipotesis nol. Make your decision on the null hypothesis either reject or fail to reject the null hypothesis. O a. Menolak hipotesis nol / Reject null hypothesis O b. Gagal menolak hipotesis nol / Fail to reject null hypothesis3. Pengurus cawangan ZY Stores meletak jawatan, dan tiga jurujual di cawangan itu sedang dipertimbangkan untuk jawatan itu. Ketiga-tiganya mempunyai tempoh perkhidmatan, pendidikan dan sebagainya yang hampir sama. Untuk membuat keputusan, adalah dicadangkan supaya setiap rekod jualan bulanan mereka diperiksa. Lakukan analisis varians (ANOVA) untuk melihat sama ada terdapat sebarang perbezaan dalam jualan bulanan di kalangan jurujual . (Gunakan a = 0.05). The manager of a branch of ZY Stores resigned, and three salespeople at the branch are being considered for the position. All three have about the same length of service, education and so on. In order to make a decision, it was suggested that each of their monthly sales record be examined. Perform an analysis of variance (ANOVA) to see if there is any difference in monthly sales among the salespeople . (Use a= 0.05). Jualan Bulanan Monthly Sales (RM'000) Ms. Alina Mr. Sufian Ms. Suzi 15 15 19 10 10 12 9 12 16 5 11 16 16 12 12 d) Cari selang keyakinan 95% untuk jualan bulanan untuk Cik Alina. (Diberi : t (CV) = 2.776 , s = 4.53) Find the 95% confidence interval for monthly sales for Ms. Alina. (Given : t (CV) = 2.776 , s = 4.53) O a. 3.0541 , 5.4372 O b. 5.3762 , 16.6238 O c. 10.4610 , 15.5570 O d. 6.3852 , 7.54324a) Penyelidik ingin mengkaji hubungan antara kos pengiklanan dalam talian dan jualan e-dagang bulanan untuk 2021. Researcher wants to examine the relationship between the online advertising cost and monthly e-commerce sales for 2021. Kedai atas talian Kos pengiklanan dalam talian Jualan bulanan e-dagang Online store Online Advertising Cost Monthly e-commerce sales (RM'000) (RM'000) 1.7 368 2 1.5 340 2.8 665 5 954 1.3 331 2.2 556 7 1.3 376 i) Apakah pembolehubah bebas dalam kajian ini. What is the independent variable in this study. O a. Kos pengiklanan dalam talian / Online advertising cost O b. Jualan bulanan e-dagang / Monthly e-commerce sales4a) Penyelidik ingin mengkaji hubungan antara kos pengiklanan dalam talian dan jualan e-dagang bulanan untuk 2021. Researcher wants to examine the relationship between the online advertising cost and monthly e-commerce sales for 2021. Kedai atas talian Kos pengiklanan dalam talian Jualan bulanan e-dagang Online store Online Advertising Cost Monthly e-commerce (RM'000) sales (RM'000) 1.7 368 N 1.5 340 2.8 665 5 954 1.3 331 2.2 556 7 1.3 376 ii) Apakah pembolehubah bersandar dalam kajian ini. What is the dependent variable in this study. O a. Kos pengiklanan dalam talian / Online advertising cost b. Jualan bulanan e-dagang / Monthly e-commerce sales

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