One indication of homogeneity within strata is the a. size of the stratum’s sample mean.
b. size of the overall sample mean.
c. number of elements within each stratum.
d. weights used to calculate the overall variance of estimate.
e. size of the standard error of estimate by stratum.
A factorial design is an ANOVA analysis that includes two or more dependent variables.
a. True
b. False
Applications of Big Data in the real world might include which of the following?
a. Improving customer retention rates.
b. Dealing with negative word of mouth.
c. Creating personalized promotions.
d. All of the above are valid applications of Big Data.
e. Only B and C are valid examples of Big Data.