The central limit theorem (CLT) is considered to be an important result in statistics because:
a. the CLT allows us to assume that the population distribution is approximately normal, provided n is reasonably large
b. the CLT allows us to estimate the population mean without knowing the exact form of the population distribution, provided n is reasonably large
c. the CLT allows us to construct confidence intervals for the population mean without knowing the exact form of the population distribution, provided n is reasonably large
d. of all of these choices
Question 2
The runs test is a formal test of the null hypothesis of randomness. If there are too many or too few runs in the series, then we conclude that the series is not random.
a. True
b. False
Indicate whether the statement is true or false
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