The true statement about the distribution of the z score is that they have (a) same shape as the distribution of raw scores.
The z score of a dataset is calculated using:
z = (x - μ)/σ
Where
The above formula implies that the z-scores are derived from the raw scores, and so they would have the same shape as the raw score
Hence, the true statement is (a) same shape as the distribution of raw scores.
Read more about z-scores at:
https://brainly.com/question/25638875