PART B - STATISTICS Section 2 (Total 36 marks) Answer all the statistical questions for this part in the EXAMINATION BOO

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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 82 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