to compare two population means, 375–376
elements of, 307–312
example of setting up, 315–316
explanation of, 307
on graphing calculator, 366
large-sample, 323, 338–342, 348, 453
on MINITAB, 364–366
one-tailed, 313, 347
outcomes of, 311
paired difference, 391
for population mean, 323–326
for population proportion, 338–342
for population variance, 346–349
possible conclusions for, 323
selection of one-sample, 358
two-tailed, 313, 348–349