Question

Ecologists collected a sample of 20 adult female crab spiders, each sitting on the yellow central part of a daisy, and measured the chromatic contrast between each spider and the flower. Consider a hypothesis test to determine whether the population mean or median chromatic contrast of spiders on flowers is less than 82.

86, 84, 75,88,73,72,76,83,78,72,87,69,81,84,80,75,83,91,75,80

write the null hypothesis and alternative hypothesis with the formula and full sentences

Using MINITAB what is the  p-value

Do you reject and what type error is 1 or 2

Using MINITAB to find the 96% confidence interval for the population mean.

Answer 1

Solution:

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