groups such as Chicanos fit the Afrocentric paradigm? Is the Afrocentric approach bound by the limitations of its new disciplinary context, or does it offer something unique which may
What is a 'Z-Score'. A Z-score is a numerical measurement of a value's relationship to the mean in a group of values. If a Z-score is 0, it represents the score is identical to the mean score. Z-scores may also be positive or negative, with a positive value indicating the score is above the mean and a negative score indicating it is below the mean. Positive and negative scores also reveal the number of standard deviations the score is either above or below the mean.
z is the z-score, e.g. 1.645 for a 90% con dence interval, 1.96 for a 90% con dence interval, 2.58 for a 99% con dence. interval (see Table 8.2, page 369) ^p is our prior judgment of the correct value of p. nis the sample size (to be found)