Do male and female finches in the wild have similar weight distributions? Researchers measured the weight (in grams) of a random sample of finches caught in the wild.

a. Why did you choose to conduct the Mann-Whitney test rather than a two-sample t test?

b. What kind of graph would you make to display these results?

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males 15.7 15.9 16.7 females 14.7 15.4 15.5 16.8 Mann-Whitney: males, females Descriptive Statistics Sample N Median males 5 16.7 females 6 16.1 Estimation for Difference Cl for Difference Difference 0.75 (-2.9, 7.1) Test Method Not adjusted for ties Adjusted for ties Achieved Confidence: 96.42% W-Value P-Value 35.50 35.50 0.361 19.1 20.8 18.6 0.360 E 19.3 males 15.7 15.9 16.7 females 14.7 15.4 15.5 16.8 Mann-Whitney: males, females Descriptive Statistics Sample N Median males 5 16.7 females 6 16.1 Estimation for Difference Cl for Difference Difference 0.75 (-2.9, 7.1) Test Method Not adjusted for ties Adjusted for ties Achieved Confidence: 96.42% W-Value P-Value 35.50 35.50 0.361 19.1 20.8 18.6 0.360 E 19.3

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a The choice to conduct the MannWhitney test rather than a twosample ttest could be based on several ... View the full answer