A Researcher Determines That Students Study an Average of 80

question 48

Multiple Choice

A researcher determines that students study an average of 80 ± 20 (M ± SD) min/week.Assuming these data are normally distributed,what is the z score for students studying 60 min/week?

• A) 1.0
• B) -1.0
• C) .3413
• D) .1587

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Definitions:

Neurotransmitter

Chemical substances released by neurons that transmit signals across a synaptic gap to another neuron or to a muscle or gland cell.

Smooth Muscle

A type of muscle found in the walls of internal organs, such as the stomach and blood vessels, that contracts involuntarily.

Calcium-Calmodulin Complex

A complex formed when calcium ions bind to the protein calmodulin, playing a key role in various cellular processes.

Myofibrils

The basic rod-like unit of a muscle cell, composed of sarcomeres, which are responsible for the muscle's contractile properties.