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Mathematics, 28.12.2019 01:31 Jcausey4477
The time it takes a planet to go once around the sun (length of year) depends on its distance from the sun (distance from sun). suppose you wanted to test the claim that this relationship is linear. assuming you could get data on planets' distances from the sun and the lengths of their years, which of the following would you have to do before deciding whether to proceed with the hypothesis test? mark all that apply. a. examine a scatterplot, to see whether there is a linear relationship between the two variables distance from sun and length of year. b. examine a q-q plot of the residuals, to see whether the error term (ϵ {"version": "1.1","math": "\epsilon"}) is normally distributed. c. examine a residual plot, to see whether the variance of the error term is the same for all values of length of year. d. examine a residual plot, to see whether the variance of the error term is the same for all values of distance from sun.
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