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rakanmadi87
10.02.2020 •
Mathematics
Based on results from a sample of 1,000 students from Biostats University, a researcher claims that the prevalence of diagnosed sleep disorders in U.S. college students is approximately 12%. Would this best be described as descriptive or inferential statistics?
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Ответ:
m(x-x1)=y-y1
where:
slope,m=(y-y1)/(x-x1)
m=(5.15-3.8)/(1997-1990)
m=0.193
taking 1978 as our x=0, 1990 will be x=12
thus the equation will be:
0.193(x-12)=y-3.8
0.193x-2.316=y-3.8
thus
y=0.193x+1.484
b]
The minimum wage in 2025 will be as follows:
x=2025-1978=47
thus plugging the values in the equation we get:
y=0.193(47)+1.484
y=10.555