[EX02-107] The annual salaries (in $100)

of the kindergarten and elementary school teachers employed at one of the elementary schools in the local school district are listed here:

574 434 455 413 391 471 458 269 501 326 367 433 367 495 376 371 295 317

a. Draw a dotplot of the salaries.

b. Using the concept of depth, describe the position of 295 in the set of 18 salaries in two different ways.

c. Find Q1 for these salaries.

d. Find Q3 for these salaries.