Q1) A local bank selected 40 student checking accounts. Below are their end-of-month balances.

$400 89 356 212 523 499 188 426 700 147 249 42 947 493 610 74 71 435 125 302 231 491 142 301 135 282 28 325 700 52 359 861 233 39 56 130 69 334 759 205