Refer to Managing Ashland MultiComm Services in Chapter 6 (Page 213) and Chapter 9 (Page 304) and do the following*:

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  1. Compute the sample statistics and determine whether there is evidence that the population mean upload speed is less than 0.97.
  2. Write a memo to management that summarizes your conclusion.

*These are eText page numbers.

*Please note the data are stored in AMS9 (attached). Also, please note you need to submit two identical files:

1. The original Excel file for all work, including your calculations, decision, and memo, and

2. The PDF copy of the Excel file.


AMS9.xlsx



TEXT:
CUSTOM EDITION of Statistics for Managers Using Microsoft Excel, 8th Edition; Levine, Stephan, and Szabat; Pearson; ISBN of custom edition: 9781323516881; © 2016.

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Explanation & Answer

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Upload Speed
0.854
1.023
1.005
1.030
1.219
0.977
1.044
0.778
1.122
1.114
1.091
1.086
1.141
0.931
0.723
0.934
1.060
1.047
0.800
0.889
1.012
0.695
0.869
0.734
1.131
0.993
0.762
0.814
1.108
0.805
1.223
1.024
0.884
0.799
0.870
0.898
0.621
0.818
1.113
1.286
1.052
0.678
1.162

Hypothesis Test
Upload Speed
Mean
Standard Error
Median
Mode
Standard Deviation
Sample Variance
Kurtosis
Skewness
Range
Minimum
Maximum
Sum
Count

0.95872
0.02206
0.98500
1.01200
0.15597
0.0...


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