A (n) _____inferential statistical font for comparing the means of three or more
ID: 3173757 • Letter: A
Question
A (n) _____inferential statistical font for comparing the means of three or more groups. When we divide an SS score by its degrees of freedom, we have calculated a _____ The sum of squared deviations of each score from the grand mean is the _____ One reason to use an ANOVA over a t test is to reduce the risk of _____ [choose from these options: Type II error, Type I error, confounds, error variance}. For a one way ANOVA, if k = 4 and n_1 = n_2 = n_3 = n_4 = 20, then df_between = df_within = If the null hypothesis for an ANOVA is false, then the F ratio should be _____ (choose from these options: greater than 1.00, a negative number, 0.00, 1.001. If the between groups variance is large, then we have observed_____ (choose from the following: experimenter effects, large systematic variance, large error variance, possibly both b and c).Explanation / Answer
1:
When we need to compare more than 2 population means ANOVA will be used.
Answer: ANOVA
2:
When SS is divided by df then corresponding variance is calculated.
Answer: variance
5;
df(between) = k-1=3
df(within) = 20*4 - k = 80- 4 = 76
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