Sales Professional Salary Case Study

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Executive Summary

The local chapter of sales professionals in the greater San Francisco area wanted to assess relationships, if any, between differences in salary for inside and outside sales representatives, and years of experience. For the experiment 1-10 years was considered low, 11-20 medium, and 21+ high. 60 inside salesman and 60 outside salesman were interviewed, for a total of 120 observations.

We were asked to conducted an analyses on the data furnished.

The hypothesis is that there is no difference in salary between inside and outside sales and amongst the different experience levels and that there is interaction.

H0: µinside = µoutside
Ha: µinside ≠ µoutside

H0: µlow = µmedium = µhigh
Ha: µlow ≠ µmedium ≠ µhigh

Analysis

1.
All Sales| Inside|  | Outside|  |
 |  |  |  |  |  |
Mean| 64925| Mean| 59289| Mean| 70562|
Standard Error| 989| Standard Error| 1115| Standard Error| 1276| Median| 61490| Median| 56407| Median| 69000|
Mode| 53464| Mode| 53464| Mode| #N/A|
Standard Deviation| 10839| Standard Deviation| 8639| Standard Deviation| 9884| Sample Variance| 117476832| Sample Variance| 74634297| Sample Variance| 97692326| Kurtosis| -1| Kurtosis| 1| Kurtosis| -1|

Skewness| 0| Skewness| 1| Skewness| 0|
Range| 40109| Range| 30460| Range| 37703|
Minimum| 48621| Minimum| 48621| Minimum| 51027|
Maximum| 88730| Maximum| 79081| Maximum| 88730|
Sum| 7791057| Sum| 3557336| Sum| 4233721|
Count| 120| Count| 60| Count| 60|
Confidence Level(95.0%)| 1959| Confidence Level(95.0%)| 2232| Confidence Level(95.0%)| 2553|

2.| | | | | |
62966| 64925| 66885|
|  |  |  |  | |
95% Confidence Interval for All Sales Professionals|
3.| | | | | |
57057| 59289| 61521|
|  |  |  |  | |
95% Confidence Interval for All Inside Sales Professionals| 4.| | | | | |
68009| 70562| 73115|...
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