# Evaluation (Excel)

You manage Human Relations for your
company. One of your sales managers has retired, leaving an opening. You
are considering two different employees for the position. Both are
highly qualified so you have decided to evaluate their sales performance
for the past year.Use the Week 4 Data Set to create and calculate the following in Excel®:Determine the range of values in which you would expect to find the
average weekly sales for the entire sales force in your company 90% of
the time.Calculate the impact of increasing the confidence level to 95%?Calculate the impact of increasing the sample size to 150, assuming
the same mean and standard deviation, but allowing the confidence level
to remain at 90%? Based on the calculated confidence interval for weekly sales on the sample of 50 reps at a 90% confidence level:Calculate both Reps’ average weekly performance and highlight if it is greater than the population mean. You want to determine whether there is a statistically different average weekly sales between Sales Rep A and Sales Rep B.Create Null and Alternative Hypothesis statements that would allow
you to determine whether their sales performance is statistically
different or not.Use a significance level of .05 to conduct a t-test of independent
samples to compare the average weekly sales of the two candidates.Calculate the p-value?Considering that individual you did not promote:Determine whether this person’s average weekly sales are greater
than the average weekly sales for the 50 sales reps whose data you used
to develop confidence intervals.Create Null and Alternative Hypothesis statements that would allow
you to determine whether the new Sales Manager’s weekly average sales
are greater than the sample of Sales Reps.Use a significance level of .05 to conduct a t-test of independent samples to compare the average weekly sales of both.Calculate the p-value?
qnt275r7weeklydatasets_3.xlsx

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SAMPLE OF WEEKLY SALES
Sales Average
Week # Weekly Weekly
Rep # Weekly
Sales(\$) – Sales(\$) Sales(\$)
Rep A
Rep B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
1228
7374
1055
1859
3938
1692
569
4059
3689
607
1370
3735
3305
7228
6279
1671
5708
2569
4163
1519
7734
784
6766
7261
5034
7115
6291
6287
2080
7621
1047
6517
5172
3876
5429
4538
3786
2510
4863
7246
1175
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
4657
6133
3438
7394
4327
2552
7063
7844
6898
4003
6884
4007
7214
2358
7745
1337
1052
6056
1495
3530
4749
3833
7869
4541
6882
3868
5934
4447
5504
5554
5839
2602
2830
4763
3740
1315
1599
1629
2416
2107
4237
6322
2710
5890
5119
5184
3439
4828
3667
2518
6073
5566
4555
5867
6039
1032
4834
3687
2214
4659
42
43
44
45
46
47
48
49
50
641
4269
7034
3406
2256
3182
5178
4428
1189

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