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a) Typing Speed on a pc. Who types faster, Men or Women? ( Test at a = .01.) Men Women 65 wpm 69 wpm s

a) Typing Speed on a pc. Who types faster, Men or Women? (Test at a = .01.)

Men

Women

65 wpm

69 wpm

s

10 wpm

14 wpm

n

50

60

b)

Take-Home Pay. Who earns more: Married or unmarried people? (Test at a = .04)

Married

Not Married

$639.6

$658.2

s

$60

$90

n

50

60

c)

Who misses work more often at the ABC Company: Smokers or non-smokers? Test at .05 significance level.

Smokers: Average number of days absent = 14.7; standard deviation = 5.0; n = 44 Non-Smokers: Average number of days absent = 8.3; standard deviation = 4.0; n = 60

with solution. thanks.

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