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The provost at SWC, based on anecdotal evidence, is convinced that the student-faculty ratio (# of students divided by the number of faculty) is an

The provost at SWC, based on anecdotal evidence, is convinced that the student-faculty ratio (# of students divided by the number of faculty) is an important determinant of student success after graduation. The university president believes the overall prestige of the university is a bigger factor, and other administrators believe it is largely the academic quality of the students admitted that matters most. SWC has purchased some data that shows students' starting salaries along with various characteristics of the universities the students attended. The data set (found on the first tab of the provided spreadsheet, "Case Report #2 Data") contains the following variables: the per semester cost of attendance, the region of the country in which the school is located, the total students enrolled, the number of faculty at the university, the average high school GPA of students admitted, the size of the school's library, and the school's national rank. Additionally, the university provost has compiled historical enrollment data from SWC, which can be found on the second tab in the provided spreadsheet ("Enrollment data"). Specifically, the administrators want answers to the following questions:

  • What is the appropriate quantitative technique to determine how the variables are related?
  • Based on your analysis, how are students' starting salaries related to each of the explanatory variables in the data set?
  • Which variables are statistically important determinants of starting salaries? How did you arrive at this answer?
  • In your opinion, are any important variables missing from the data set?
  • Based on your analysis, what strategy or strategies would you recommend for improving the starting salaries of SWC graduates? Explain in detail, justifying with evidence from your analysis.
  • What techniques can SWC use to forecast enrollment for the next academic year?Can you show us several techniques in detail?
  • Which forecasting method do you recommend given the historical enrollment data provided?How is this determined?

In addition to the questions above, SWC has requested a data visualization component in the report. You are to use multiple diagrams and appropriately formatted charts following the principles you learned in this course to help illustrate key findings. The data SWC has purchased and compiled can be found in the Excel file "Case 2 Data" located in the D2L course shell.

OBS SALARY REGION Cost TOTSTUD FACULTY HSGPA LIBVOL RANK
1 84630 East 32491.2 6855.75 360 3.04 460.6 50
2 120658.2 North 21173.04 7053.75 124.8 3.23 630 22
3 72056.4 South 26208 5816.25 153.6 2.945 294 138
4 166842 East 36944.88 2499.75 264 3.629 1190 4
5 157170 East 38174.64 5890.5 244.8 3.515 756 9
6 73532.16 South 11491.2 3737.25 105.6 3.002 308 125
7 97506.24 North 33618.48 5445 220.8 3.135 427 56
8 71936.28 East 27236.16 16805.25 544.8 2.945 673.4 139
9 162006 North 35686.56 5024.25 292.8 3.42 779.8 15
10 87048 East 28764.96 7548.75 165.6 3.04 572.6 71
11 76650.6 West 16569.84 3861 105.6 3.23 435.4 99
12 62868 South 14846.16 4826.25 108 2.964 309.4 176
13 152575.8 West 23273.04 3960 100.8 3.2775 519.4 28
14 72540 South 26814.48 3836.25 129.6 2.945 352.8 106
15 84388.2 West 30885.12 10147.5 206.4 2.9925 476 76
16 76408.8 East 24398.64 4380.75 160.8 3.23 455 95
17 84146.4 South 18266.64 5271.75 105.6 3.116 366.8 81
18 89224.2 West 23069.76 3935.25 151.2 3.116 343 97
19 145496.52 East 35360.64 2376 216 3.515 630 10
20 71646.12 West 31978.8 6113.25 105.6 2.85 322 157
21 118482 West 19005.84 3663 182.4 3.4485 630 26
22 84388.2 East 32783.52 6657.75 206.4 3.3725 448 51
23 69638.4 North 12803.28 4950 228 3.059 350 164
24 83421 North 23570.4 3836.25 74.4 3.135 266 77
25 82527.12 West 27063.12 5865.75 288 2.983 280 80
26 93698.28 West 29237.04 7078.5 139.2 3.154 294 62
27 125736 West 33075.84 4950 127.2 3.325 462 27
28 89949.6 South 23236.08 4950 180 3.3535 742 60
29 98148.96 South 12544.56 4207.5 84 3.135 364 55
30 133988.4 East 32166.96 9429.75 338.4 3.249 658 24
31 157170 West 22328.88 6657.75 211.2 3.515 840 6
32 72540 North 24568.32 6435 496.8 3.04 392 114
33 94302 South 14180.88 7672.5 297.6 3.135 560 49
34 74232.6 West 24835.44 4653 134.4 3.04 277.2 113
35 151621.08 East 35923.44 15914.25 648 3.344 1019.2 19
36 65286 West 13666.8 2376 57.6 3.0875 204.4 133
37 128581.44 North 30864.96 4331.25 158.4 3.2775 476 36
38 137826 South 33309.36 4628.25 199.2 3.439 460.6 17
39 95511 North 25164.72 4182.75 134.4 3.04 308 41
40 111477.6 South 33875.52 5841 206.4 3.23 364 44
41 87048 South 16477.44 5346 148.8 2.85 364 101
42 72053.28 North 16341.36 7053.75 134.4 2.8595 427 122
43 79310.4 North 20880.72 3316.5 134.4 3.2015 474.6 91
44 83179.2 West 24739.68 4801.5 112.8 3.002 275.8 75
45 79794 South 19620.72 3341.25 127.2 3.135 460.6 93
46 70122 East 27651.12 12870 343.2 3.135 420 109
47 189390.24 East 40993.68 8538.75 266.4 3.42 1029 8
48 75683.4 East 9641.52 7969.5 266.4 2.964 322 146
49 84630 North 12393.36 5791.5 175.2 3.1825 581 68
50 81366.48 East 30782.64 6311.25 189.6 3.135 492.8 73
51 71327.88 South 14904.96 4182.75 492 2.945 483 118
52 68719.56 East 26757.36 2351.25 60 3.135 392 151
53 87048 West 12951.12 7474.5 103.2 3.2585 455 63
54 119258.88 East 25038.72 4405.5 132 3.173 420 18
55 152334 West 23572.08 8662.5 254.4 3.3915 658 14
56 81970.2 South 22622.88 5049 153.6 3.135 484.4 82
57 100347 West 33129.6 5197.5 228 3.04 666.4 42
58 71331 South 24556.56 11484 235.2 2.85 406 169
59 76892.4 East 32069.52 6212.25 132 3.1065 364 128
60 76167 West 13923.84 1955.25 45.6 3.23 243.6 144
61 96236.4 East 21008.4 5989.5 93.6 3.2205 550.2 61
62 62868 South 13399.68 4356 100.8 2.9925 225.4 173
63 75683.4 West 30386.16 9281.25 211.2 3.04 291.2 116
64 71936.28 West 27006 6088.5 264 3.04 455 124
65 62868 East 32266.08 5742 206.4 3.135 392 163
66 71814.6 East 26545.68 4083.75 177.6 3.1445 350 112
67 78101.4 West 26428.08 5791.5 172.8 3.0685 336 89
68 71669.52 South 27760.32 5568.75 160.8 2.945 322 156
69 102281.4 West 29111.04 8439.75 218.4 3.04 385 48
70 71331 East 22263.36 9949.5 271.2 2.9165 338.8 115
71 79552.2 North 27773.76 9231.75 288 3.1065 436.8 83
72 83904.6 East 31563.84 11236.5 391.2 3.002 442.4 88
73 79310.4 East 30366 3291.75 252 3.1255 536.2 85
74 72903.48 South 14831.04 4108.5 108 3.04 344.4 141
75 91884 East 25861.92 6459.75 271.2 3.1825 455 58
76 60450 East 28654.08 7078.5 172.8 2.66 434 175
77 71814.6 South 27857.76 6657.75 182.4 2.85 375.2 152
78 124503.6 East 26735.52 3093.75 127.2 3.2965 415.8 17
79 84630 North 26869.92 4331.25 110.4 3.135 301 70
80 94302 West 23788.8 3687.75 105.6 3.325 407.4 54
81 94302 South 34596.24 6336 108 3.021 616 43
82 156879.84 East 35903.28 13538.25 494.4 3.135 574 23
83 82212 West 16680.72 4009.5 148.8 3.23 425.6 98
84 77600.64 East 19709.76 4950 153.6 3.135 268.8 90
85 73942.44 West 15624 1881 96 3.249 323.4 140
86 81970.2 South 19163.76 3514.5 103.2 3.04 330.4 94
87 84026.28 South 20129.76 3737.25 93.6 2.85 308 86
88 83904.6 East 30989.28 11063.25 396 2.85 527.8 87
89 69880.2 East 32084.64 5172.75 146.4 3.0685 231 111
90 120900 North 24151.68 5172.75 141.6 3.3155 714 31
91 94302 West 30964.08 5964.75 240 3.0115 343 57
92 79480.44 East 32924.64 6682.5 206.4 3.0875 593.6 35
93 85839 South 8574.72 5742 153.6 2.945 364 102
94 157170 North 37727.76 9429.75 256.8 3.4865 1050 3
95 71811.48 North 32343.36 3440.25 108 2.85 315 137
96 90916.8 East 20880.72 5494.5 98.4 3.059 630 65
97 84630 South 25134.48 6410.25 156 3.135 560 69
98 65286 South 18093.6 5692.5 120 2.5935 420 171
99 118482 West 17041.92 3069 146.4 3.3725 369.6 30
100 72540 East 21036.96 5940 182.4 3.04 456.4 119
101 71936.28 North 18322.08 1905.75 72 3.04 173.6 123
102 163215 East 35795.76 4727.25 148.8 3.3725 560 11
103 68913 East 23340.24 2945.25 93.6 3.04 205.8 172
104 80277.6 South 14747.04 1732.5 115.2 3.477 219.8 92
105 71572.8 North 20430.48 5742 153.6 2.945 364 155
106 89466 East 29984.64 5643 194.4 3.2395 588 64
107 152334 West 36538.32 4455 136.8 3.591 579.6 7
108 99863.4 North 24188.64 5568.75 151.2 3.325 826 34
109 72903.48 South 11497.92 3687.75 120 2.964 322 158
110 101556 West 28062.72 10815.75 232.8 3.078 399 38
111 74958 North 22379.28 6534 165.6 3.135 574 110
112 123516.12 East 31494.96 7029 177.6 3.0875 553 29
113 72781.8 North 23997.12 6484.5 81.6 3.0875 301 132
114 67704 West 27367.2 7548.75 172.8 3.135 421.4 130
115 99138 West 31074.96 8340.75 300 3.0875 448 53
116 72661.68 North 17292.24 3143.25 86.4 3.135 422.8 107
117 69880.2 North 25483.92 4578.75 72 3.04 291.2 142
118 81258.84 West 15617.28 3712.5 148.8 3.211 464.8 96
119 169260 North 36047.76 4405.5 105.6 3.5625 777 5
120 72056.4 North 24538.08 8093.25 93.6 2.9925 280 121
121 65286 South 21013.44 5865.75 127.2 2.8785 302.4 135
122 87048 East 24778.32 4504.5 103.2 3.04 341.6 67
123 84026.28 South 8242.08 7029 124.8 3.1825 756 84
124 84630 West 23261.28 4133.25 163.2 3.1445 392 66
125 75925.2 North 16435.44 5197.5 120 2.9925 302.4 129
126 80031.12 South 13362.72 4702.5 115.2 3.325 358.4 105
127 72540 South 32397.12 5370.75 218.4 3.04 442.4 147
128 67462.2 East 22695.12 6212.25 156 2.926 421.4 136
129 143871 South 16114.56 12944.25 372 3.325 1190 13
130 70934.76 East 23331.84 3316.5 134.4 2.85 260.4 143
131 84630 West 13567.68 3663 156 3.1065 351.4 103
132 81608.28 West 12630.24 3786.75 127.2 3.42 462 79
133 96720 North 23898 5073.75 172.8 3.23 830.2 39
134 72866.04 South 26293.68 4034.25 230.4 3.0685 302.4 149
135 72540 North 12778.08 2920.5 93.6 2.85 280 161
136 147498 East 34038.48 11756.25 518.4 3.3345 564.2 32
137 71694.48 West 13191.36 1905.75 48 3.078 218.4 154
138 70605.6 North 21823.2 3613.5 158.4 2.85 280 145
139 60208.2 South 5250 3687.75 148.8 3.211 295.4 166
140 99138 East 34324.08 7301.25 199.2 3.04 446.6 52
141 154752 East 29154.72 9405 283.2 3.42 980 16
142 120566.16 North 24664.08 6682.5 338.4 3.382 1120 21
143 71089.2 North 21403.2 7425 189.6 3.1825 406 134
144 71331 South 15834 2697.75 127.2 3.04 490 126
145 163976.28 East 35661.36 13686.75 297.6 3.5625 2443 2
146 67704 South 22617.84 4257 124.8 3.1445 327.6 168
147 96478.2 South 33964.56 11929.5 364.8 3.04 548.8 108
148 110959.68 South 13875.12 5964.75 136.8 3.23 638.4 47
149 135891.6 East 37121.28 10642.5 278.4 3.0875 1243.2 12
150 94302 West 33351.36 4603.5 254.4 3.1825 477.4 37
151 71331 East 19306.56 3984.75 110.4 2.7075 336 117
152 99501.48 East 24983.28 9801 501.6 3.135 614.6 46
153 152334 West 19103.28 5766.75 141.6 3.3155 1017.8 18
154 84630 North 27997.2 6088.5 405.6 3.078 399 74
155 149916 West 24570 10370.25 300 3.3725 758.8 20
156 71739.72 East 30211.44 4034.25 139.2 3.04 245 153

Second tab: Enrollment data

Year Fall Census
2005 5770
2006 6759
2007 6859
2008 7524
2009 7585
2010 8185
2011 7971
2012 8675
2013 8280
2014 8810
2015 8422
2016 9498
2017 8296
2018 9263
2019 7998
2020 8064
2021 7479

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