which assumption of linear regression is best assumed using a scatterplot a. sph

Question

which assumption of linear regression is best assumed using a scatterplot

a. sphercity

b. linear relationship between x and y

c. equal variance of y across groups

d. independence of y"s

2. what distinguishes one way analysis of variance (ANOVA) from an independent t-tests.

a. the number of categories in the independent variable

b. the null hypotheses regarding the equality of means

c. applications for both within subjects and between subjects designs

d. the underlying assumptions of homogeneity of variances

Explanation / Answer

1) The correct option is B

Explanation:

linear regression needs the relationship between the independent and dependent variables to be linear.   The linearity assumption can best be tested with scatter plots

2)

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