1 Calculate the standard deviation for the variable Rct 2 Calculate the variance for the variable Pr 3 What percent of students sampled do not perform aerobics (decimal form) 4 Calculate the mean for the variable HRs per week 5 Calculate the variance for the variable Starting Sal Age the age of the subject Sex (1 male, 2 female) Aer whether the subject participates in aerobic activities (1 yes, 2 no) Smk whether the subject smokes (1 yes, 2 no) Caf whether the subject consumed caffeine in the last 2 hours (1 yes, 2 no) Pr pulse rate of the subject in beats per minute Rct reaction time of the subject in milliseconds Starting Sal the starting salary of the subject upon graduation, in dollars HRs per week the subject's average hours worked per week Major the subject's major Record Number Age Sex Aer Wts Smk Caf Jck Pr Rct 1 1 20 1 1 1 2 1 1 72 125 2 2 18 1 2 2 2 2 2 80 150 3 3 21 1 1 1 2 2 1 60 100 4 4 18 1 2 2 2 2 2 60 160 5 5 18 1 1 1 2 2 1 53 150 6 6 18 1 1 2 2 2 1 81 140 7 7 18 1 2 2 2 2 2 67 170 8 8 20 1 2 2 1 2 2 63 150 9 9 18 1 2 2 2 2 2 72 210 10 10 19 1 2 2 2 2 2 72 250 11 11 18 1 2 2 1 2 1 76 275 12 12 21 1 2 2 2 2 2 76 150 13 13 21 1 1 2 2 2 2 80 100 14 14 19 1 1 1 2 2 2 60 190 15 15 19 1 2 1 2 1 1 72 160 16 16 20 1 2 1 2 2 2 80 210 17 17 18 1 2 1 2 2 1 80 200 18 18 20 1 2 2 2 2 2 80 175 19 19 18 1 2 1 2 2 2 104 180 20 20 18 1 1 1 2 2 1 80 175 21 21 19 1 1 1 1 2 1 56 160 22 22 18 1 2 2 2 1 2 68 159 23 23 20 1 1 2 2 2 2 70 180 24 24 18 1 2 2 2 2 1 72 190 25 26 20 1 1 2 2 2 2 80 175 26 27 19 1 2 1 2 2 1 78 150 27 28 18 1 2 1 2 2 1 62 200 28 29 18 1 2 2 2 2 1 64 200 29 30 18 1 2 1 2 2 1 88 197 30 31 20 1 2 2 2 2 2 75 200 31 32 18 1 2 1 2 1 2 68 175 32 33 23 1 2 1 2 2 2 73 140 33 34 18 1 2 1 1 2 1 60 155 34 35 18 1 2 2 2 2 2 96 180 35 36 18 1 2 1 2 2 1 78 210 36 37 18 1 2 2 1 1 2 92 170 37 38 18 1 2 2 2 2 2 100 105 38 39 21 1 1 1 2 2 2 80 175 39 40 17 1 1 2 2 2 1 76 180 40 41 20 1 2 2 2 2 2 71 203 41 42 18 1 2 2 1 1 1 77 193 42 43 19 1 2 1 2 2 2 70 133 43 44 18 1 2 2 1 1 1 85 190 44 45 18 1 2 2 2 1 1 80 153 45 46 21 1 2 2 2 2 2 68 150 46 47 19 1 1 2 2 2 1 76 168 47 48 18 1 2 1 2 2 1 84 183 48 49 23 1 2 1 1 2 1 84 183 49 50 22 1 2 2 2 2 2 72 150 50 51 19 1 1 1 2 1 1 60 190 51 52 19 1 2 1 2 1 1 68 150 52 53 19 1 1 1 2 2 1 68 183 53 54 18 1 1 1 2 2 1 66 137 54 55 18 1 2 1 2 1 2 63 145 55 56 19 1 1 2 2 2 1 78 180 56 57 18 1 2 2 2 2 1 74 110 57 58 18 1 1 1 2 1 1 68 187 58 59 19 1 1 1 1 2 1 72 186 59 60 18 1 1 2 2 1 1 75 223 60 61 18 1 2 2 2 1 2 80 176 61 62 18 1 2 2 1 2 1 84 180 62 63 19 1 1 1 2 2 1 56 100 63 64 19 1 1 1 2 2 1 56 100 64 65 19 1 1 1 2 2 1 80 146 65 66 18 1 2 2 2 2 2 76 190 66 67 18 1 2 1 2 1 2 80 175 67 68 18 1 2 2 1 1 2 90 170 68 69 18 1 2 2 2 1 1 88 130 69 70 18 1 2 1 2 1 2 86 186 70 71 19 1 2 1 1 1 2 76 243 71 72 23 1 2 1 2 2 1 84 190 72 73 20 1 2 1 2 1 2 82 180 73 74 21 1 2 2 1 1 2 90 166 74 75 19 1 2 2 2 2 1 68 210 75 76 19 1 1 2 2 1 1 69 170 76 77 18 1 1 1 2 2 1 68 156 77 78 18 2 1 1 2 2 1 80 110 78 79 18 2 1 1 2 1 1 92 170 79 80 18 2 2 2 2 2 2 82 205 80 81 18 2 2 2 1 2 2 80 180 81 82 21 2 2 2 2 1 2 76 163 82 83 18 2 2 2 2 1 1 80 140 83 84 20 2 2 2 2 2 2 88 166 84 85 18 2 1 1 2 2 1 80 150 85 86 18 2 1 2 2 2 2 80 150 86 87 18 2 2 2 1 1 1 82 120 87 88 18 2 1 1 2 2 1 80 70 88 89 18 2 2 2 2 2 1 94 150 89 90 18 2 2 2 2 2 2 93 150 90 91 18 2 2 2 1 1 1 84 180 91 92 18 2 2 2 2 2 1 72 100 92 93 18 2 2 2 2 2 2 86 150 93 94 18 2 2 2 2 2 2 80 190 94 95 18 2 2 2 2 2 1 74 100 95 96 18 2 2 1 2 2 2 73 210 96 97 18 2 2 2 2 2 1 81 220 97 98 19 2 2 2 1 2 2 72 225 98 99 18 2 2 2 1 1 2 80 200 99 100 18 2 2 1 2 2 2 76 275 100 101 18 2 2 2 2 1 2 80 250 101 102 18 2 1 2 2 2 1 80 270 102 103 19 2 1 2 2 2 2 89 240 103 104 18 2 2 2 2 2 2 94 150 104 105 21 2 1 2 2 2 1 64 155 106 19 2 2 2 2 2 1 76 135 107 19 2 2 2 2 2 2 59 240 108 19 2 1 2 1 2 1 140 260 109 18 2 2 2 1 2 1 79 110 110 18 2 2 2 2 2 2 63 180 111 21 2 2 2 2 2 2 80 190 112 17 2 2 2 2 2 2 88 310 113 23 2 1 1 2 1 1 72 160 114 18 2 2 2 2 2 2 80 190 115 18 2 2 2 2 1 2 82 212 116 17 2 2 2 2 1 2 104 235 117 18 2 2 2 2 2 2 80 220 118 19 2 1 2 2 1 2 72 200 119 18 2 2 2 2 2 1 89 163 120 18 2 2 2 2 2 1 82 180 121 18 2 2 1 2 1 1 89 230 122 18 2 2 2 1 1 1 86 200 123 19 2 2 2 2 2 1 80 130 124 19 2 1 1 2 1 2 70 173 125 18 2 2 2 2 1 1 93 208 126 18 2 2 2 1 2 2 75 200 127 19 2 2 2 2 2 2 86 250 128 18 2 1 2 2 1 2 84 150 129 19 2 1 2 2 2 2 88 196 130 19 2 2 2 2 1 2 106 126 131 20 2 1 1 2 1 2 65 176 132 18 2 1 1 2 2 1 68 206 133 20 2 1 2 2 2 2 80 177 134 18 2 2 2 2 1 1 102 181 135 24 2 2 2 2 2 2 120 136 136 18 2 2 2 1 1 2 88 163 137 18 2 2 2 2 2 1 91 175 138 18 2 2 2 2 1 1 66 167 139 19 2 1 2 2 2 2 85 156 140 18 2 1 2 2 2 1 43 213 141 19 2 1 1 2 2 1 70 228 142 18 2 2 2 2 2 1 84 243 143 37 2 2 2 1 1 2 80 225 144 18 2 2 2 2 1 2 72 200 145 19 2 1 2 2 2 2 126 163 146 19 2 1 1 2 1 2 92 225 147 38 2 2 2 2 1 2 85 241 148 18 2 1 2 2 1 2 76 130 149 28 2 1 2 2 2 2 108 207 150 18 2 2 2 2 1 2 107 255 151 18 2 2 2 2 2 1 76 223 152 18 2 1 1 2 2 1 64 150 153 18 2 2 2 2 2 2 88 190 154 18 2 2 2 2 2 1 80 160 155 18 2 1 1 2 1 2 64 183 156 18 2 2 2 2 2 1 88 166 157 20 2 2 2 2 1 2 84 172 158 18 2 1 2 2 2 1 65 152 159 18 2 1 1 2 2 1 63 250 160 18 2 1 1 2 2 1 63 250 161 18 2 2 2 2 1 2 84 250 162 19 2 1 2 2 1 2 80 200 163 24 2 1 1 2 2 2 120 200 164 23 2 2 2 2 2 2 101 210 165 18 2 2 2 2 2 1 66 170

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Question: 1. Calculate the standard deviation for the variable Rct 2. Calculate the variance for the variable Pr 3. What percent of students sampled do not

1. Calculate the standard deviation for the variable Rct

2. Calculate the variance for the variable Pr

3. What percent of students sampled do not perform aerobics (decimal form)

4. Calculate the mean for the variable HRs.per.week

5. Calculate the variance for the variable Starting_Sal

Age: the age of the subject
Sex (1=male, 2=female)
Aer: whether the subject participates in aerobic activities (1=yes, 2=no)
Smk: whether the subject smokes (1=yes, 2=no)
Caf: whether the subject consumed caffeine in the last 2 hours (1=yes, 2=no)
Pr: pulse rate of the subject in beats per minute
Rct: reaction time of the subject in milliseconds
Starting_Sal: the starting salary of the subject upon graduation, in dollars
HRs. per.week: the subject's average hours worked per week
Major: the subject's major

	Record.Number	Age	Sex	Aer	Wts	Smk	Caf	Jck	Pr	Rct
1	1	20	1	1	1	2	1	1	72	125
2	2	18	1	2	2	2	2	2	80	150
3	3	21	1	1	1	2	2	1	60	100
4	4	18	1	2	2	2	2	2	60	160
5	5	18	1	1	1	2	2	1	53	150
6	6	18	1	1	2	2	2	1	81	140
7	7	18	1	2	2	2	2	2	67	170
8	8	20	1	2	2	1	2	2	63	150
9	9	18	1	2	2	2	2	2	72	210
10	10	19	1	2	2	2	2	2	72	250
11	11	18	1	2	2	1	2	1	76	275
12	12	21	1	2	2	2	2	2	76	150
13	13	21	1	1	2	2	2	2	80	100
14	14	19	1	1	1	2	2	2	60	190
15	15	19	1	2	1	2	1	1	72	160
16	16	20	1	2	1	2	2	2	80	210
17	17	18	1	2	1	2	2	1	80	200
18	18	20	1	2	2	2	2	2	80	175
19	19	18	1	2	1	2	2	2	104	180
20	20	18	1	1	1	2	2	1	80	175
21	21	19	1	1	1	1	2	1	56	160
22	22	18	1	2	2	2	1	2	68	159
23	23	20	1	1	2	2	2	2	70	180
24	24	18	1	2	2	2	2	1	72	190
25	26	20	1	1	2	2	2	2	80	175
26	27	19	1	2	1	2	2	1	78	150
27	28	18	1	2	1	2	2	1	62	200
28	29	18	1	2	2	2	2	1	64	200
29	30	18	1	2	1	2	2	1	88	197
30	31	20	1	2	2	2	2	2	75	200
31	32	18	1	2	1	2	1	2	68	175
32	33	23	1	2	1	2	2	2	73	140
33	34	18	1	2	1	1	2	1	60	155
34	35	18	1	2	2	2	2	2	96	180
35	36	18	1	2	1	2	2	1	78	210
36	37	18	1	2	2	1	1	2	92	170
37	38	18	1	2	2	2	2	2	100	105
38	39	21	1	1	1	2	2	2	80	175
39	40	17	1	1	2	2	2	1	76	180
40	41	20	1	2	2	2	2	2	71	203
41	42	18	1	2	2	1	1	1	77	193
42	43	19	1	2	1	2	2	2	70	133
43	44	18	1	2	2	1	1	1	85	190
44	45	18	1	2	2	2	1	1	80	153
45	46	21	1	2	2	2	2	2	68	150
46	47	19	1	1	2	2	2	1	76	168
47	48	18	1	2	1	2	2	1	84	183
48	49	23	1	2	1	1	2	1	84	183
49	50	22	1	2	2	2	2	2	72	150
50	51	19	1	1	1	2	1	1	60	190
51	52	19	1	2	1	2	1	1	68	150
52	53	19	1	1	1	2	2	1	68	183
53	54	18	1	1	1	2	2	1	66	137
54	55	18	1	2	1	2	1	2	63	145
55	56	19	1	1	2	2	2	1	78	180
56	57	18	1	2	2	2	2	1	74	110
57	58	18	1	1	1	2	1	1	68	187
58	59	19	1	1	1	1	2	1	72	186
59	60	18	1	1	2	2	1	1	75	223
60	61	18	1	2	2	2	1	2	80	176
61	62	18	1	2	2	1	2	1	84	180
62	63	19	1	1	1	2	2	1	56	100
63	64	19	1	1	1	2	2	1	56	100
64	65	19	1	1	1	2	2	1	80	146
65	66	18	1	2	2	2	2	2	76	190
66	67	18	1	2	1	2	1	2	80	175
67	68	18	1	2	2	1	1	2	90	170
68	69	18	1	2	2	2	1	1	88	130
69	70	18	1	2	1	2	1	2	86	186
70	71	19	1	2	1	1	1	2	76	243
71	72	23	1	2	1	2	2	1	84	190
72	73	20	1	2	1	2	1	2	82	180
73	74	21	1	2	2	1	1	2	90	166
74	75	19	1	2	2	2	2	1	68	210
75	76	19	1	1	2	2	1	1	69	170
76	77	18	1	1	1	2	2	1	68	156
77	78	18	2	1	1	2	2	1	80	110
78	79	18	2	1	1	2	1	1	92	170
79	80	18	2	2	2	2	2	2	82	205
80	81	18	2	2	2	1	2	2	80	180
81	82	21	2	2	2	2	1	2	76	163
82	83	18	2	2	2	2	1	1	80	140
83	84	20	2	2	2	2	2	2	88	166
84	85	18	2	1	1	2	2	1	80	150
85	86	18	2	1	2	2	2	2	80	150
86	87	18	2	2	2	1	1	1	82	120
87	88	18	2	1	1	2	2	1	80	70
88	89	18	2	2	2	2	2	1	94	150
89	90	18	2	2	2	2	2	2	93	150
90	91	18	2	2	2	1	1	1	84	180
91	92	18	2	2	2	2	2	1	72	100
92	93	18	2	2	2	2	2	2	86	150
93	94	18	2	2	2	2	2	2	80	190
94	95	18	2	2	2	2	2	1	74	100
95	96	18	2	2	1	2	2	2	73	210
96	97	18	2	2	2	2	2	1	81	220
97	98	19	2	2	2	1	2	2	72	225
98	99	18	2	2	2	1	1	2	80	200
99	100	18	2	2	1	2	2	2	76	275
100	101	18	2	2	2	2	1	2	80	250
101	102	18	2	1	2	2	2	1	80	270
102	103	19	2	1	2	2	2	2	89	240
103	104	18	2	2	2	2	2	2	94	150
104	105	21	2	1	2	2	2	1	64	155
##	106	19	2	2	2	2	2	1	76	135
##	107	19	2	2	2	2	2	2	59	240
##	108	19	2	1	2	1	2	1	140	260
##	109	18	2	2	2	1	2	1	79	110
##	110	18	2	2	2	2	2	2	63	180
##	111	21	2	2	2	2	2	2	80	190
##	112	17	2	2	2	2	2	2	88	310
##	113	23	2	1	1	2	1	1	72	160
##	114	18	2	2	2	2	2	2	80	190
##	115	18	2	2	2	2	1	2	82	212
##	116	17	2	2	2	2	1	2	104	235
##	117	18	2	2	2	2	2	2	80	220
##	118	19	2	1	2	2	1	2	72	200
##	119	18	2	2	2	2	2	1	89	163
##	120	18	2	2	2	2	2	1	82	180
##	121	18	2	2	1	2	1	1	89	230
##	122	18	2	2	2	1	1	1	86	200
##	123	19	2	2	2	2	2	1	80	130
##	124	19	2	1	1	2	1	2	70	173
##	125	18	2	2	2	2	1	1	93	208
##	126	18	2	2	2	1	2	2	75	200
##	127	19	2	2	2	2	2	2	86	250
##	128	18	2	1	2	2	1	2	84	150
##	129	19	2	1	2	2	2	2	88	196
##	130	19	2	2	2	2	1	2	106	126
##	131	20	2	1	1	2	1	2	65	176
##	132	18	2	1	1	2	2	1	68	206
##	133	20	2	1	2	2	2	2	80	177
##	134	18	2	2	2	2	1	1	102	181
##	135	24	2	2	2	2	2	2	120	136
##	136	18	2	2	2	1	1	2	88	163
##	137	18	2	2	2	2	2	1	91	175
##	138	18	2	2	2	2	1	1	66	167
##	139	19	2	1	2	2	2	2	85	156
##	140	18	2	1	2	2	2	1	43	213
##	141	19	2	1	1	2	2	1	70	228
##	142	18	2	2	2	2	2	1	84	243
##	143	37	2	2	2	1	1	2	80	225
##	144	18	2	2	2	2	1	2	72	200
##	145	19	2	1	2	2	2	2	126	163
##	146	19	2	1	1	2	1	2	92	225
##	147	38	2	2	2	2	1	2	85	241
##	148	18	2	1	2	2	1	2	76	130
##	149	28	2	1	2	2	2	2	108	207
##	150	18	2	2	2	2	1	2	107	255
##	151	18	2	2	2	2	2	1	76	223
##	152	18	2	1	1	2	2	1	64	150
##	153	18	2	2	2	2	2	2	88	190
##	154	18	2	2	2	2	2	1	80	160
##	155	18	2	1	1	2	1	2	64	183
##	156	18	2	2	2	2	2	1	88	166
##	157	20	2	2	2	2	1	2	84	172
##	158	18	2	1	2	2	2	1	65	152
##	159	18	2	1	1	2	2	1	63	250
##	160	18	2	1	1	2	2	1	63	250
##	161	18	2	2	2	2	1	2	84	250
##	162	19	2	1	2	2	1	2	80	200
##	163	24	2	1	1	2	2	2	120	200
##	164	23	2	2	2	2	2	2	101	210
##	165	18	2	2	2	2	2	1	66	170

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