Three measures of dispersion are often used in marketing research: the mean,the median,and the mode.
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Q15: Descriptive statistics are used to make inferences
Q16: Sometimes variables may be bimodal,which means that
Q17: For interval data,the chi-square test is the
Q18: The mode is defined as the middle
Q19: The z-test is an appropriate inferential statistical
Q21: The F-test measures the proportion of variation
Q22: The _ is an especially important and
Q23: The median is not applicable for
A) nominal
Q24: The _ is an appropriate measure of
Q25: The alternative hypothesis should be stated as
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