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귣 : 츲Math
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, ϰ ƴٰ?

н Ⱓ!
⺻ ȭ Ѵ!
2012 ɺ ƴ ʼ!
踦 ϴ л н!

2012 ɺ ̰ л 踦 ʼ ؾ Ѵ. ٲ鼭 ̾ Ȯ 衻 а ⺻ а 衻 ϵǾ, ɿ ̰ л鿡 ʼ Ǿ ̴. л а ⺻ ʼ Ǿ 񺸴 ȭ ؾ Ѵ.
ó ٲ鼭 л 踦 ڼ ؾ Ѵ. ϴ л 迡 ū δ㰨 ִ. ڷ ǥ ʹ ־  ڷ ǥ ؼϿ  ؾ ϱ ̴. Ǯ ãƳ´ٰ ϴٶ Ǽ ϱ . ȭ 7 ⡻ ̷ 踦 ϴ л н̴.

ٽ 77 ߴ!

ȭ 7 ⡻ б ܿ ٽ 77 ߴ. Ϸ翡 30и ؼ 11 7 б 踦 ְ Ͽ. 踦 𸣴 л ̿ ߱ 谡 ¿¿Ŵ л̶ ִ.
å 캸. 1忡 谡  ٷ о ⺻ ȴ. 2忡 踦 ⺻ ڷᰡ, 3忡 踦 ϱ Ȯ ϰ Ǿ ִ. 4忡 ɿ ϰ Ǵ Ȯ ´ Ǯ Բ Ұǰ , 5忡 л ϴ ׺ Ժ ϱ Ǿ ִ. 6 8 ǥκ ľϴ , ǰ ׸ , ڷ 踦 ˾ƺ 谡 ҰǾ ִ. ̿ б ܿ ƿ츣鼭 ٽɸ ߸ ȭ 7 ⡻ 踦 ϰ ϴ ū ش.

Ϳ ȭ Ű ȭ н!

å ٸ ϵǾ ִ ȭ̴. Ϳ ijͰ ϴ ȭ Ѵ 캼 ֵ ֱ ȭ д ̿ ٽ Ӹӿ ȴ. ϵǾ ־ 󸶳 ߴ Ȯ ְ Ͽ. ݺ ϰ 踦 ְ 7 !
1 谡 ü ?
01 ϱ?
02 û ?
03 ʴ Ȯ
04 ڷ ΰ踦
05 ϻȰ ִ

1
̾߱ 1 ǽ 簡 ǥ ĥ?

2 ڷ Ư¡
06 Ͽ 󸶳 о?
07 ٰ ϴµ ̻ ʾ?
08 Ƶ ٰ
09 ׷ ϱ
10 ũ ڷ Ư ؾ Ѵ
11 ׷ ִ
12 ǩ հ ܿ پϴ
13 ߰ ߿
14 ߾Ӱ
15 ?
16 ڷ Ÿ ?
17
18 Ÿ л ְ
19 ϴ

2
̾߱ 2 ٸ , ϳ!

3 Ȯ
20 ǥ, ǥ, ü
21 پ
22 Ȯ Ѹ ϸ ?
23 Ȯ ϹȭϿ ˾ƺ
24 Ȯ
25 ¦ Ǵ Ȧ Ȯ?
26 ÿ Ͼ ʴ ݻ̶?
27 ݻ
28 Ͼ Ȯ?
29 Ǻ Ȯ̶?
30 ˾
31 ٸ ǿ ʴ

3
̾߱ 3 賶

4 Ȯ
32 쿬 Ȯ
33 Ȯ ̿ؼ
34 Ȯ Ȯ Ų Ȯ
35 Ȯ հ 1
36 Ȯ X հ
37 Ȯ ʾƵ ִ E(X)
38 ǥ л
39 Ÿ հ ǥ

4
̾߱ 4 Խ Ŵ е

5
40 ϴ
41 ʴ
42 ׺ ϱ غ 
43 ֻ ˾ƺ ׺
44 Ƚ ø ׺ ° Ѵ
45 ġ ִ Ժ
46 Ժ Ȯ ľ
47 Ժ κ 3ñ׸ 
48 Ժ ǥȭ ǥԺ?
49 ׷ ִ ǥԺ
50 ǥԺ ̿Ͽ Ȯ

5
̾߱ 5 ̿Ͽ Ѵ

6
51 Ϻθ ü Ѵ
52 ̿ϸ ǥ ִ
53 û  ϳ?
54 û
55 ϴ
56 Ѵ
57 Ѵ
58 ŷڵ ̿ ŷڱ ?
59 û ȭ ǹ̰ ?
60 ŷڵ ö󰡸 ŷڱ о
61 ߱ Ÿ?

6
̾߱ 6 Ÿ ̴ ǰϱ ƴ

7
62 ո Դٸ ġħ ִٰ ?
63 ġħ ٴ ϸ?
64 Ư ˾ δ ߿ϴ
65 ٲ
66 ġħ ִٰ ?
67 ġħ ִٰ
68 10 ո 9 ´ٸ?

7
̾߱ 7 ǰ ִ?

8
69 ڷ ڷ ̴  ΰ?
70 ڷ ڷ
71 ϴ, ϴ, ?
72 ڷ ġ Ÿ
73 ϴ ˾
74
75
76
77

8
̾߱ 8 ׷ε ϴ ׺
å ƴ Ͽ д մϴ. ŭ Ȥ ϴ. ϴ ߱ Ÿó IJϰ ʾƼ ƴմϴ. ׷Ա ʾ . ׷ Ȥ ɱ?
å нϴ. ѹ ؼ , ݴ յ ʽϴ. Ͽ 2 ѷ ̷ 亯 ݽϴ. ݿ Ǵ ϰ Ư ʱ . ׷ ̶ ϴ !̶ ġ ͽϴ.

- p.26

V(X) V л ǹϴ variance ӸԴϴ. ׸ л X ǥ ϰ (X) ϴ. (X)=V(X)Դϴ. ǥ(standard deviation) Ӹ s ׸ ڷ ̱ ȣ մϴ. (X) ñ׸ нϴ.
л ǥ Ȯ ֽϴ. ݴ Ŭ տ ָ ֽϴ.
Ư ǥ ϴ ϴ. Ƽ , л DZ ƼͰ ˴ϴ. ϱ ؼ ǥ ؾ մϴ.

- p.98

ø Ƽ(Orley Ashenfelter) 뷮 ڷῡ ִ ãƳ ߽ϴ. Ѽӵ ֹ ռ  谡 ִ ߽ϴ.
״ ڷḦ мϿ ǰ ߽ϴ. ׸ ϴ.

= 12.145 + 0.00117 ܿ
+ 0.0614 Ⱓ տµ
- 0.00386 ȮⰣ

߿ Ÿ ϰ ϴ ־ϴ. ֱٿ ߴ 鵵 鼭 Ǹ δٰ մϴ. ̷ ϴ µ ٽ ϰ ˴ϴ.

- p.180