Whenever the mean of the distribution of differences equals zero, then one
can be fairly safe in concluding that
a. the samples probably represent a single population
b. the samples probably represent different populations
c. there was absolutely no sampling error
d. none of these, since the mean can never equal zero
Question 2
If the mean of the distribution of differences were to equal -6.00, this
would indicate that
a. the standard deviation of the distribution is a function of the range
b. the samples probably represent different populations
c. the samples were probably selected from a single population
d. none of these, since the mean can never be negative
Differences in oxygen-hemoglobin dissociation curves under different physiological conditions and am
Mediterranean woodland and shrubland distribution and climate.
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