The index of deflated turnover for retail trade shows the activity in volume of the retail trade sector. This index is reported with

2005=100.

The accompanying table holds the index for 43 countries for the years 2007 and 2010. Complete parts a) through d).

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Country	Index_2007	Index_2010
1	109.5	116.2
2	102.9	106.1
3	134.5	169.7
4	103.7	104.4
5	134.4	125.4
6	111.3	119.3
7	90.7	135.2
8	116.2	123.8
9	115.9	118.6
10	116.5	119.1
11	103.1	93.6
12	130.1	101.5
13	110.5	111.1
14	106.7	112.2
15	99.5	97.1
16	111.7	93.4
17	102.6	93.9
18	116.4	78.1
19	115.8	106.6
20	101.2	97.3
21	99.5	101.2
22	109.2	121.4
23	139.6	92.1
24	122.1	92.6
25	108.1	122.7
26	104.1	104.3
27	104.8	104.7
28	107.6	101.4
29	108.5	103.2
30	112.7	117.3
31	123.8	142.3
32	101.2	99.1
33	111.1	143.1
34	143.7	148.1
35	132.2	151.7
36	114.4	109.8
37	109.2	108.9
38	119.4	120.7
39	104.7	91.8
40	106.8	111.9
41	107.2	113.9
42	108.3	111.9
43	102.4	94.5

Question content area bottom

Part 1

a) Find a regression model predicting the 2010 index from the index in 2007 for the sample of 43 countries.

2010 index= enter your response here + enter your response here 2007index