The following data give the mean of SAT Mathematics scores by state for 1999 for a randomly selected 20 states (source: The World Almanac and Book of Facts 2000).
558
|
503
|
565
|
572
|
546
|
517
|
542
|
605
|
493
|
499
|
568
|
553
|
510
|
525
|
595
|
502
|
526
|
475
|
506
|
568
|
(a) Construct a stem-and-leaf display and interpret.
(b) Construct a frequency histogram and interpret.
(c) Construct a pie chart and interpret.