A study was carried out on 60 electronic items to find the currents, x amperes, that could
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A study was carried out on 60 electronic items to find the currents, x amperes, that could be safely passed through them at a fixed voltage before they overheat. The results are given in the two tables below.
a. Find the value of p, of q and of r.
b. Cumulative frequency graphs are drawn to illustrate the data in both tables.
i. Describe the transformation that maps one graph onto the other.
ii. Explain the significance of the point where the two graphs intersect.
Transcribed Image Text:
Current (x amperes) 0.5 1.5 2.0 No. items that do 3.5 5.0 rheat 60 48 20 6. Current res) 0.5 1.5 2.0 3.5 Nat overheat 5.0 amb idge P 60
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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