Cynthia is reporting standardized test scores to parents of her students. She knows that on the test she gave the mean is an 80 and the standard deviation is 6. If her student Sharona received a t score of 40, which of the following can we accurately conclude regarding Sharona's performance?
◦ She had a raw score greater than 80.
◦ Her stanine score was an 8.
◦ Her performance was less than average.
◦ She had a positive z score.