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Chi-Square Tests 705 tribution is based are squared, so that the symbol ´2 is used to denote the distribution. An example of the chi squared distribution is given in Figure 10.1.
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uregina.ca796 usually given the symbol r and it ranges from -1 to +1. A correlation co-e–cient quite close to 0, but either positive or negative, implies little or no relationship between the two variables.
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