Which of the following is false Hint It might be useful to

. Which of the following is false? Hint: It might be useful to sketch the distributions.

a. The Z score for the median of a left skewed distribution is most likely negative.

b. The Z score for the median of a symmetric distribution is approximately 0.

c. Z scores are defined for observations from distributions of any shape and skew.

d. Calculating percentiles based on the Z table is only appropriate for observations that come from (nearly) normal distributions.