Mathematics, 24.03.2020 04:21 batmanmarie2004
A study was performed to determine whether men and women differ in their repeatability in assembling components on printed circuit boards. Random samples of 25 men and 21 women were selected, and each subject assembled the units. The two sample standard deviations of assembly time were S_men = 0.97 minutes and S_ Women = 1.02 minutes. (a) Is there sufficient evidence to support the claim that men and women differ in repeatability for this assembly task at the 0.02 level of significance? (b) Find a 98% confidence interval on the ratio of the two variances. Round your answers to three decimal places (e. g. 98.765) less than or equal to sigma^2_1/sigma^2_2 less than or equal to.
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A study was performed to determine whether men and women differ in their repeatability in assembling...
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