An experiment with two factors, in which all levels of one variable are run at each level of the second variable, is called a
A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is
The primary advantage of the Latin square design, compared to the factorial design, is that
If a sample size of 16 yields an average of 12 and standard deviation of 3, estimate the 95% confidence interval for the population (assume a normal distribution).
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