ALL ABOUT STATS

II. For numbers 11-15, fill out the table below. Percentile n 40th percentile 2 75th percentile 10 90th percentile 15 95th percentile 20 97.5" percentile 25 Additional Activities A researcher conducts a diagnostic examination to 20 students. The following are the interpretation of the diagnostic examination. 1. James got a score which is 60% higher than those who took the diagnostic test. 2. Rowena has a percentile rank of 90. 3. Jimuel got a score which is only 5% higher than those who took the diagnostic test. 4. Joanna has a percentile rank of 75. 5. Lester is 90% lower than those who took the diagnostic test. , identify the t-value of the percentiles of the following by filling up the table: Student t-value 1. Joanna 2. James 3. Jimuel 4. Lester 5. Rowena Question: 1. Who do you think got the highest score? 2. Who do you think passed the diagnostic examination