The standard error of the mean
a. estimates the standard deviation of the population.
b. suggests how much sample means may vary due to treatment procedures.
c. is the standard deviation of the distribution of sample means.
d. All of these are true.
C
You might also like to view...
Mrs. Nast tells her class that each student who completes the daily math assignment with all the questions answered correctly will receive an additional 3 minutes of recess time per class period. This is an example of a(n)
a. independent Group-Oriented Contingency b. interdependent Group-oriented Contingency c. dependent Group-oriented Contingency
A representative sample for survey research should
a. always be randomly selected. b. always be a probability sample. c. have the same proportion of characteristics as the population from which it was drawn. d. all of these are true.
Learners need to see the connection between what they have learned in a previous lesson or unit to what they are now learning
a. True b. False
Studies of the sounds of babbling of children of about six months old have shown that
a) by this age, the influence of the child's language environment can be clearly distinguished in the child's intonation, although all children "play" with similar vowels and consonants b) the sounds of babbling at this age are remarkably similar across all language environments c) the sounds of babbling have very little phonological relation to adult speech d) by this age, the input language has clearly shaped the quantity and quality of the sounds produced: most children will only produce speech sounds heard in the native language