When data from k populations are utilized in an analysis of variance, the mean square between treatments (MSTR) = (C) SSTR/(k - 1).
A statistical method called analysis of variance (ANOVA) is used to examine variations in response variables (continuous random variables) evaluated under settings with discrete factors (classification variables, often with nominal levels).
Analysis of Variance is referred to as ANOVA.
Ronald Fisher created a statistical test in 1918, and it has been in use ever since.
Simply put, an ANOVA analysis determines if the means of three or more independent groups differ statistically.
The mean square between treatments (MSTR) equals SSTR/ when samples from k populations are used in an analysis of variance (k - 1).
Therefore, when data from k populations are utilized in an analysis of variance, the mean square between treatments (MSTR) = (C) SSTR/(k - 1).
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Correct question:
When an analysis of variance is performed on samples drawn from k populations, the mean square between treatments (MSTR) is _____.
a. sstr/k
b. sstr/nt
c. sstr/(k – 1)
d. sstr/(nt – 1)
