$24$ employees from Company Elite completed a staff satisfaction survey. The scores for the survey

Question

$24$ employees from Company Elite completed a staff satisfaction survey. The scores for the survey are given below. 2839322542184039 1726354419304113 3850333135122239 State the value of $a$ and of $b$ in the frequency table below.[2] Survey score, $x$$10<x\le20$$20<x\le30$$30<x\le40$$40<x\le50$ Frequency5$a$10$b$ State the modal class.[1] On the grid below, draw a histogram to represent the data.[2]

Accepted Answer

(i) $a=5,\ b=4$ (ii) $30<x\le40$ (iii) bar heights $5,5,10,4$

Survey score, \(x\)	\(10<x\le20\)	\(20<x\le30\)	\(30<x\le40\)	\(40<x\le50\)
Frequency	5	\(a\)	10	\(b\)

2016 RGS Y1 EYA Q6

2016 RGS Y1 EYA Q6

Solution:

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