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PART B - STATISTICS Section 2 (Total 36 marks) Answer all the statistical questions for this part in the EXAMINATION BOO
Posted: Wed Dec 15, 2021 10:28 am
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- Part B Statistics Section 2 Total 36 Marks Answer All The Statistical Questions For This Part In The Examination Boo 1 (185.04 KiB) Viewed 84 times
PART B - STATISTICS Section 2 (Total 36 marks) Answer all the statistical
questions for this part in the EXAMINATION BOOK PROVIDED. Show ALL working. Each
question's mark is indicated in the brackets This part tests your knowledge of statistics - charts / graphs. Q11. Cumulative frequency _19 marks) Hourly rates of pay Hourly rates of pay Frequency of employees 4 11a) Cumulative frequency 11b) Cumulative relative frequency 0-10 11-20 0 5 21-30 31-40 7 41-50 5 6 51-60 1 61 - 70 71 - 80 2 81-90 1 91 - 100 9 11a. Cumulative Frequency (3 Marks) 11b. Cumulative relative frequency (6 Marks) This part tests your knowledge of statistics - measures. Q12. (Total 7 marks) Using the following table calculate: 12a. Calculate the mean. 12b. Specify the model class. Class Intervals 0 - under 20 20 - under 40 40 - under 60 60 - under 80 80 - under 100 Frequency 19 36 9 9 27