A Sample of N = 4 Scores Is Obtained from a Population

question 9

Multiple Choice

A sample of n = 4 scores is obtained from a population with μ = 70 and σ = 8.If the sample mean corresponds to a z-score of 2.00,then what is the value of the sample mean?​

• A)​M = 86
• B)​M = 78
• C)​M = 74
• D)​M = 72

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Definitions:

Subphylum Chelicerata

A major subdivision of the phylum Arthropoda, including arachnids (such as spiders and scorpions) and horseshoe crabs, characterized by the presence of chelicerae, a pair of appendages serving as mouthparts.

Spider

An arachnid known for having eight legs, no wings, and often spinning webs to capture prey.

Maxillae

Appendages used for manipulating food; characteristic of crustaceans.

Metamorphosis Cycle

The process of transformation from an immature form to an adult form in two or more distinct stages, commonly observed in insects and amphibians.