In Testing the Hypotheses : the Two Population Locations

question 93

Short Answer

In testing the hypotheses : The two population locations are the same. : The two population locations are different.
The statistics T+ = 238, T- = 582, and n = 40 are calculated with data drawn from a matched pairs experiment.
Test statistic:
z-statistic = ______________
What is the p-value of this test?
______________
Can we infer at the 5% significance level that the population locations differ?
Conclusion: ______________
We ______________infer at the 5% significance level that the population locations differ.

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Definitions:

Insects

A class of arthropods characterized by a three-part body (head, thorax, abdomen), three pairs of legs, compound eyes, and one pair of antennae.

Coleoptera

An order of insects known as beetles, characterized by their hard forewings (elytra) which cover the hind wings.

Arachnids

Land-dwelling arthropods with no antennae and four pairs of walking legs; spiders, scorpions, mites, and ticks.

Earthworms

Invertebrate animals belonging to the phylum Annelida, known for their role in aerating the soil and enhancing soil fertility.