HW #9.54 - PowerPoint PPT Presentation

bernad
hw 9 54 l.
Skip this Video
Loading SlideShow in 5 Seconds..
HW #9.54 PowerPoint Presentation
play fullscreen
1 / 9
Download Presentation
HW #9.54
460 Views
Download Presentation

HW #9.54

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. HW #9.54 Page 295 Cost of Text Books

  2. 07.52, p302, Cost of Text Books 1. The population mean cost of text books is no more than $300.00. The population mean cost of text books is more than $300.00. 2. 3. 4. 5.

  3. 6. df = 100 – 1 = 99

  4. 7. 8. 9. 10. There is enough evidence to conclude that the population mean cost of text books is more than $300.00.

  5. b. df = 100 – 1 = 99

  6. b. continued 7. 8. 9. 10. There is enough evidence to conclude that the population mean cost of text books is more than $300.00.

  7. c. 1. The population mean cost of text books is no more than $300.00. The population mean cost of text books is more than $300.00. 2. 3. 4. 5.

  8. C continued. df = 100 – 1 = 99

  9. c. continued 7. 8. 9. 10. There is enough evidence to conclude that the population mean cost of text books is no more than $300.00. OR There is not enough evidence to conclude that the average cost of textbooks per semester is more than $300.