Question

Suppose you are an expert on the fashion industry and wish to gather information to compare the amount eamed per month by models featuring Liz Claiborne attire with those of Calvin Klein. The following is the amount ($000) earned per month by a sample of 15 Claiborne models: $$$ $ $24. 935. 99.1 $5.2 34.7 33.5 The following is the amount ($000) earned by a sample of 12 Klein models 52.5 52.5 $3.5 $3.4 $2.6 33.1 34.0 $2,5 s Click here for the Excel Data File .. Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number) Degrees of freedom

Answer 1

Claiborne model

$\bar x1$ = 4.853, s1 = 1.223, n1 = 15

Klein models

$\bar x2$ = 2.858, s2 = 0.562, n2 = 12

1

  

(1.223) 1 (0.5621 2 (1.2232 - + 二)

= 20