Examlex
As a general rule, one can use the normal distribution to approximate a binomial distribution whenever
nu and n(u - 1) are at least 5.
Non-directional Null Hypothesis
A type of null hypothesis that states there is no difference or effect, without specifying the direction of the difference or effect.
Directional Alternative Hypothesis
A type of alternative hypothesis that specifies the direction of the anticipated difference or effect between groups or variables.
Null Hypothesis
A hypothesis that assumes no significant difference or effect between the variables being studied, serving as a default position.
Alternative Hypothesis
A theory that contradicts the null hypothesis and proposes that there is a statistically significant effect or difference.
Q14: At a computer manufacturing company, the actual
Q17: A manufacturer of power tools claims that
Q58: Referring to Table 4-10, what is the
Q98: When extreme values are present in a
Q104: Referring to Table 8-15, it is possible
Q115: The probability that a standard normal random
Q122: Referring to Table 2-1, how many total
Q158: If the amount of gasoline purchased per
Q171: Referring to Table 8-5, a 99% confidence
Q184: Referring to Table 8-2, this confidence interval