QUESTION 3 Shola Sdn Bhd sells products online. The company's management wants to find out if the number of orders recei

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Question 3 Shola Sdn Bhd Sells Products Online The Company S Management Wants To Find Out If The Number Of Orders Recei 1 (80.94 KiB) Viewed 38 times

QUESTION 3 Shola Sdn Bhd sells products online. The company's management wants to find out if the number of orders received at the company's office on each of the 6 days of the week is the same. The company took a sample of 400 orders received for 4-week period, the frequency distribution for these orders are presented in the table below. a) Days of the week Number of orders received Undergraduates 1 Before the course 8 After the course 10 Mon 78 Test at the 1% significance level whether the null hypothesis that the orders are evenly distributed over all days of the week is true. 258 345 Tue Wed Thu Fri 58 52 76 75 b) A university sent ten of its undergraduate students to attend a course in building self- confidence development. Assessment on the effectiveness of the course were conducted before and after students attended the course. The scores (on a scale of 1 to 15, 1-being the lowest and 15= being the highest score) are presented in the table below. 9 11 566 697 759 867 Sat 61 96 (8 marks) 10 9 10 12 7 Test at 2.5% significance level whether attending this course increases the mean score of the undergraduate students. (12 marks)