E Text Ch10 and 11 - E-Text Assignment 1 E-Text Assignment...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
E-Text Assignment 1 Neil Robinson Research and Evaluation II RES 342 University of Phoenix
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
E-Text Assignment 2 10.29 Examine the data below showing the weights (in pounds) of randomly selected checked bags for an airline’s flights on the same day. (a) At α = .05, is the mean weight of an international bag greater? Show the hypotheses, decision rule, and test statistic. (b) At α = .05, is the variance greater for bags on an international flight? Show the hypotheses, decision rule, and test statistic. International (10 bags) Domestic (15 bags) 39 47 29 37 43 54 48 36 33 42 46 28 33 29 32 39 54 34 43 35 69 62 38 39 39 (a) Hypothesis : H0 µ1 µ2 : > H1 µ1 µ2 t-Test: Two-Sample Assuming Unequal Variances Internationa l Domesti c Mean 48.6 36.1333 3333 Variance 141.3777778 20.9809 5238 Observations 10 15 Hypothesized Mean Difference 0 df 11 t Stat 3.162813923 P(T<=t) one-tail 0.004516765 t Critical one-tail 1.795884814
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

E Text Ch10 and 11 - E-Text Assignment 1 E-Text Assignment...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online