Determine the independent and dependent variables respectively. Find the linear regression equation in the form y= a+bx , nearest to 3 decimal places. Estimate the number of skin cancer cases per 100000 people who live in a state that gets 9 hours of sunshine on average.

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Chapter1: Combinatorial Analysis
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A medical statistician wanted to examine the relationship between the amount of
sunshine, in hours and incidence of skin cancer. He summarised the number of skin
cancer cases detected per 100000 of a population and the average daily sunshine in
eight states around the country as follows:
Q5.
3<x<8, Σx= 46, Σy = 76, Συ = 473 and Σχ284
(a)
Determine the independent and dependent variables respectively.
Find the linear regression equation in the form y=a+bx , nearest to 3 decimal
places.
(b)
Estimate the number of skin cancer cases per 100000 people who live in a state
that gets 9 hours of sunshine on average.
(c)
Transcribed Image Text:A medical statistician wanted to examine the relationship between the amount of sunshine, in hours and incidence of skin cancer. He summarised the number of skin cancer cases detected per 100000 of a population and the average daily sunshine in eight states around the country as follows: Q5. 3<x<8, Σx= 46, Σy = 76, Συ = 473 and Σχ284 (a) Determine the independent and dependent variables respectively. Find the linear regression equation in the form y=a+bx , nearest to 3 decimal places. (b) Estimate the number of skin cancer cases per 100000 people who live in a state that gets 9 hours of sunshine on average. (c)
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