Moving to another question will save this response. Question 19 2p A student wants to find the mean of sales made, for self-evaluation, of a new business. To do so the following grouped data was collected and used for this purpose. Sales, X 7 12 17 22 27 32 Sales men, 8 37 15 25 35 f 42 25 10 Using d2-coding method (x0 =22) to compute the mean of the sales made gives, " . 34.23 23 O 23.43 O 24 O NOA Moving to another question will save this response.