SYM 506 Grand Canyon Week 7 Complete Work
SYM 506 Grand Canyon Week 7 Discussion 1
Describe when a z-test should be performed as opposed to a t-test? Which (if any) can we use all the time? Why or why not?
SYM 506 Grand Canyon Week 7 Discussion 2
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means. The sample sizes for each are 23.
SYM 506 Grand canyon Week 7 Assignment Problem Set 7
Complete exercises 10.9 (parts a, b and c only), 10.11 (parts a and b only), 10.21 (parts a and b only), 10 .23, and 10.48.
You will need:
- For 10.9, refer to the “Phone” file.
- For 10.11, refer to the “Digital Cameras” file.
- For 10.21, refer to the “Measurement” file.
- For 10.23, refer to the “Ad Pages” file.
- For 10.48, refer to the “Digital Cameras” file.
The exercises above require the use of the “t-test’ functions within the Data Analysis menu in Excel. Refer to Appendix E10 for instructions on using Excel for these exercises.
For problems requiring computations, please ensure that your Excel file includes the associated cell computations and/or statistics output; this information is needed in order to receive full credit on these problems.
Submit output in one Excel file.
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