What is the shape of the distribution? Standardized tests for certain subjects, given to high
school students, are scored on a scale of 1 to 5.
Students who receive a 3 or higher can earn college
credit. Let X represent the score on a randomly
selected exam. The distribution of scores for one
subject's standardized test is displayed in the
histogram.
O skewed left
O skewed right
O uniform, approximately symmetric
O unimodal, approximately symmetric
Test Scores
0.30
0.24
0.18
Probability
0.12
0.06