The table below shows the auto insurance quotes for two leading companies for a sample of 15 families. Assume the populations SDs are similar, but unknown. The President of the American Insurance Institute wants to compare the yearly costs of such insurance offered by the two companies. At the 0.10 level of significance, can we conclude that there is a difference in the amounts quoted? Families Southern Car American Mutual   ($) ($) 1 2090 1610 2 1683 1247 3 1402 2327 4 1830 1367 5 930 1461 6 697 1789 7 1741 1621 8 1129 1914 9 1018 1956 10 1881 1772 11 1571 1375 12 874 1527 13 1579 1767 14 1577 1636 15 860 1188

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The table below shows the auto insurance quotes for two leading companies for a sample of 15 families. Assume the populations SDs are similar, but unknown. The President of the American Insurance Institute wants to compare the yearly costs of such insurance offered by the two companies. At the 0.10 level of significance, can we conclude that there is a difference in the amounts quoted?

Families

Southern Car

American Mutual

 

($)

($)

1

2090

1610

2

1683

1247

3

1402

2327

4

1830

1367

5

930

1461

6

697

1789

7

1741

1621

8

1129

1914

9

1018

1956

10

1881

1772

11

1571

1375

12

874

1527

13

1579

1767

14

1577

1636

15

860

1188

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