MA 2025 Statistical Problem Solving Assignment
Indicate all numbers used in your decision. I think you can do many of these without software, but software is OK to use. If you use software, give me a printout. Regardless of whether you used software or did this by hand, explain your conclusion. In the case of a hypothesis test, be sure to indicate in your conclusion if the data is statistically significant and how you know. Please organize your paper so I can find things quickly. Handwritten or typed, just help me out….
395 389 421 394 407 411 389 402 422 416 402 408 400 386 411 405 389
362 352 380 382 413 384 400 378 419 379 384 388 372 383 At α = 0.10, can the engineer claim that the experimental method produces steel with greater tensile strength? Should the engineer recommend using the experimental method? MA 2025 Statistical Problem Solving Assignment
6. Internet Users In a survey of 485 adults who live in an urban area, 354 said they use the Internet. In a survey of 315 adults who live in a rural area, 189 said they use the Internet. At α=0.05, can you support the claim that the proportion of adults who use the Internet is greater for adults who live in an urban area than for adults who live in a rural area? MA 2025 Statistical Problem Solving Assignment