A-Level
EDEXCEL
Mathematics & Further Mathematics
May 2023
9 Marks
QP-202305-Mathematics-US1 · Question 3
Question (excerpt):
10 3. Jim records the length, l mm, of 81 salmon. The data are coded using x = l – 600 and the following summary statistics are obtained. n = 81 ∑x = 3711 ∑x 2 = 475 181 (a) Find the mean lengt…
10 3. Jim records the length, l mm, of 81 salmon. The data are coded using x = l – 600 and the following summary statistics are obtained. n = 81 ∑x = 3711 ∑x 2 = 475 181 (a) Find the mean lengt…
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