Which of the following statements is NOT TRUE for the median?
A. Every set of nominal-level data has a median value.
B. The median is not affected by extreme values in the data set.
C. A data set has only one median value.
D. The median is the most appropriate measure to summarize and describe a data exhibiting a skewed distribution.
A stock investor purchased 3000 shares of ACEN stocks in May at Php6.79 per share. In July, she purchased an additional of 4800 shares at Php8.47 per share. In August she purchased an additional of 8500 shares when the price per share went down to Php7.82. The weighted mean price per share of her ACEN stock is
A. Php7.69
B. Php7.82
C. Php8.15
D. Php8.47
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