koiikan
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#1
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#1
Hi, so I’ve done part a, but I’m a bit stuck on part b. Apparently I need to use linear interpolation but this frequency data isn’t grouped. Any help would be greatName:  89A49BB2-C678-4D39-A774-D86B468DC7EB.jpg.jpeg
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ghostwalker
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#2
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(Original post by koiikan)
Hi, so I’ve done part a, but I’m a bit stuck on part b. Apparently I need to use linear interpolation but this frequency data isn’t grouped. Any help would be greatName:  89A49BB2-C678-4D39-A774-D86B468DC7EB.jpg.jpeg
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The question is ambiguous as it doesn't say whether the data is grouped or not, and if it is grouped, whether it's rounded to the nearest pound, or whether only whole pounds are recorded. A rather poorly worded question, IMO.

Since, as you say, you seem to be expected to use linear interpolation, I think you'll have to assume it is grouped, probably to the nearest pound.
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koiikan
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Oh okay, so would I have to make my own intervals like 8.5<£<9 and so on?
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ghostwalker
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#4
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(Original post by koiikan)
Oh okay, so would I have to make my own intervals like 8.5<£<9 and so on?
If the data is rounded to the nearest pound, then the intervals would be, for example, 8.5<=£<9.5.
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