For stratified simple random sampling, the factors considered most important in deciding what fraction of the total sample should be assigned to each stratum include all of the following except
a. the number of outliers in each stratum.
b. the number of elements in each stratum.
c. the variance of the elements within each stratum.
d. the cost of selecting elements within each stratum.
Question 2
The weight of an object, measured in grams, is an example of _____.
a. a continuous random variable
b. a discrete random variable
c. either a continuous or a discrete random variable, depending on the weight of the object
d. either a continuous or a discrete random variable, depending on the units of measurement
Relatively simple changes in Hox genes control limb formation in tetrapods.
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It is important to act concerned when a patient is upset.
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