MAT 107

Course Project

Directions: Please complete the following statistical analyses for the sample data given below. If you do the work for this project by hand, you must show the work you do to arrive at your results. If you use technology (Excel, StatCrunch, graphing calculator, etc.) to obtain the results, you must state the technology you used to obtain the results.

Here is the sample data set you will be using for all parts of this project:

Length (in miles) of 30 random rivers

431

500

926

383

425

538

540

301

360

338

800

800

790

375

380

434

800

659

512

430

485

309

618

605

531

300

420

865

424

652

9. Construct a 95% confidence interval for the population's mean.(7 points)

____________

10. If someone were to ask you what this particular confidence interval means, what would you say? (3 points)