Stanley, a recent high school student, took the SAT exam in 2018 and got a 600 in both components (Reading and Writing, and Math). He was interested in how well he did compared to the rest of his peers. Table 2.30 shows the summary statistics for all students in 2018.

(a) Calculate z-scores for both of Stanley’s scores using the summary statistics in Table 2.30.

(b) Which of Stanley’s scores is more unusual relative to his peers? 

(c) In which component did Stanley perform best relative to his peers?

Transcribed Image Text:

Table 2.30 Summary statistics for SAT scores Component Mean Standard Deviation Reading and Writing 536 Math 531 102 114