Only if the dataset (distribution) you are dealing with in symmetric.
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The Median is the same as the 50th percentile of a distribution.
No, it is not.
Answer: 0 The z score is the value of the random variable associated with the standardized normal distribution (mean = 0, standard deviation =1). Now, the median and the mean of a normal distribution are the same. The 50 percentile z score = the median = mean = 0.
Can the median and mode be used to describe both categorical data and numerical data
No. No. No. No.