Moment of a Force
2.14
Ma=
Does Box Tip Over?=-
2.15 (change beam weight to 900 N)) X=
2.17
P=
Varignon's Theorem
2.19 (change story height to 5m)
Ma=
2.21
MA=.
MB=_
2.23 (change maximum tension to 2500 lbs)
W=
Couple and Moment of a Couple
2.24
MA=.
MB=_
2.26 (change force to 110 KN)
F=
M=
Answer all parts, please.
Match each statement to the set of shapes that best
describes them.
1. Similar triangles by SSS
2. Similar triangles by SAS
3. Similar triangles by AA
4. The triangles are not similar
>
U
E
35°
89°
S
F
89°
J
35°
94°
G
52°
90°
E
K
52°
I
Table 1 contains the data from a patient satisfaction survey for a group of 25 randomly selected patients at a
hospital. In addition to satisfaction, data were collected on patient age and an index that measured the severity
of illness.
(a) Fit a linear regression model relating satisfaction to patient age.
(b) Test for significance of regression.
(c) What portion of the total variability is accounted for by the regressor variable age?
Table 1: Patient Satisfaction Data
Severity
Observation
Age (21)
(x2)
Satisfaction
(y)
1
55
50
2
46
24
3
30
46
4
35
48
5
59
58
6
61
60
7
74
65
8
38
42
9
27
42
10
51
50
11
53
38
12
41
30
13
37
31
88
14
24
34
15
42
30
16
50
48
17
58
61
18
60
71
19
62
62
20
68
38
21
70
41
22
79
66
23
63
31
24
39
42
25
49
40
BE225222222222222222
68
77
96
80
43
44
26
88
75
57
56
88
102
88
70
43
46
56
59
26
83
75
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