Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

a. There are no differences in the population mean prices of the four varieties.

ID: 3178034 • Letter: A

Question

a. There are no differences in the population mean prices of the four varieties. b. There is a significant difference between all possible combinations of the means of the four varieties. c. There is no significant difference between the population means for variety 1 and variety 2 or between the population means for variety 1 and variety 3. d. There is a significant difference between the population means for variety 1 and variety 2, and between the population means for variety 1 and variety 3. No other differences are significant. The following output gives the 95% confidence interval estimates of the difference between two population means using Tukey's procedure for a study that compared the price of four different varieties of a product. What can you conclude about the differences in the population mean prices of the four varieties? H1 (-1.1902, -0.0298) H 1.1425, -0.1950) H1- H4 (-0.8726, 0.0080) H2 0.6390, 0.5215) H2 H4. (-0.3755, 0.7310) 4 2038, 0.6768)

Explanation / Answer

If confidence intreval contains zero than difference in not signifcant other wise difference is significant.

So folloiwng option is correct:

d. There is a significant difference between the population means for variety 1 and variety 2, and between the population means for variety 1 and variety 3. No other differences are significant.

Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Chat Now And Get Quote