Using the following values calculate the following: 12c. Mode 12d. Median Train Waiting Time (mins) 34 35 33 36 31 33 36

[answerhappygod]

Using The Following Values Calculate The Following 12c Mode 12d Median Train Waiting Time Mins 34 35 33 36 31 33 36 1 (317.28 KiB) Viewed 74 times

Using the following values calculate the following: 12c. Mode 12d. Median Train Waiting Time (mins) 34 35 33 36 31 33 36 35 31 32 33 33 33 32 31 34 _(Total 13 marks) 0.13 Based on the following data + Frequency 2 2 Class Interval 0- under 5 5- under 10 10- under 15 15- under 20 20-under 25 25- under 30 30 - under 35 35- under 40 6 7 10 6 2 5 Calculate the following and round to the nearest two decimal places: 13a. Population mean (4 marks) 13b. Variance (7 marks) 13c. Standard Deviation (SD) (2 marks) Q14. A weight management company thinks that on average the client will lose at least 10 pounds over the first two weeks with their product. 50 people who joined the program are sampled. Their weight loss is 9 pounds with a standard deviation of 2.8 pounds. Can we conclude at the 0.05 level, that a person joining the program will lose less than 10 pounds? (Total 7 marks) 14. Use the z test approach to test the above hypothesis. (7 marks) END OF EXAMINATION Page 6 of 9