A random sample of 195 students was selected from the United Kingdom using the Census At School
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A random sample of 195 students was selected from the United Kingdom using the Census At School data selector. The age x (in years) and height y (in centimeters) were recorded for each student. Here is a scatterplot with the least-squares regression line ŷ = 106.1 + 4.21x. For this model, s = 8.61 and r2 = 0.274.
a. Calculate and interpret the residual for the student who was 141 cm tall at age 10.
b. Interpret the slope of the least-squares regression line.
c. Interpret the value of s.
d. Interpret the value of r2.
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a Calculate and interpret the residual for the student who was 141 cm tall at age 10 y 1061 421x x a...View the full answer
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David Wafula
I have done statistics and programming for the past four years since I enrolled at the university and managed to get second class upper division. Solving statistical problems is my passion. i also enjoy doing statistical programming using R programming, Python and Stata. I can also use excel and spss to do statistics. Major areas where I do perfectly includes regression, data visualization, and testing hypotheses.
Besides doing what is entailed in my degree, I also do technical writing and essay writing on any given topic.
I can also write simple programs in python and c++
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