Question

Class Interval Frequency 25 – 35 1 35 – 45 5 45 – 55 5 55 – 65 4 65 – 75 0 75 – 85 8 85 – 95 2 Total 25 a) Class interval which has the lowest frequency. i. 25 – 35 ii. 65 – 75 iii. 85 – 95 iv. 35 – 45 (1) b) Which two classes have the same frequency? i. 35 – 45 ii. 45 – 55 iii. Both (i) & (ii) iv. 65 – 75 (1) c) What is the class size of the intervals? i. 5 ii. 10 iii. 15 iv. None of above (1) d) What is the upper limit of the fifth class? i. 45 ii. 55 iii. 65 iv. 75



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Answer 1

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