When we do not know the population mean we cannot use the z-test because the ______ cannot be calculated exactly.

A. standard error
B. distribution frequency
C. p value
D. estimated standard error


Answer: A

Psychology

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If you close your eyes and spin around in circles for a minute, you will feel dizzy. What is responsible for this sensation?

A) the movement of the fluid in the semicircular canals B) your visual system failing to interact with the environment C) the changing air pressure against your eardrum as you spin around D) the movement of your cerebrospinal fluid

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Pinar is late for a job interview when she approaches a car accident that just happened. She does not stop or call 911. What is most likely related to her decision not to help?

A. She didn't notice the event. B. She didn't think it was an emergency. C. She didn't know how to help. D. Her time crunch stopped her from implementing the decision to help.

Psychology

Laws and policies that govern sexual behavior are referred to as sexual scripts

Indicate whether the statement is true or false.

Psychology

________ refers to the difference in retinal images due to the fact that human eyes are separated by a few inches and is an important cue in depth perception.

A. Visual acuity B. Binocular disparity C. Perceptual set D. Difference threshold

Psychology