The population mean is estimated by
a. calculating the mean of as many scores as we can get from the population.
b. calculating the mean of a sample drawn from the population.
c. calculating the mean of a sample and then transforming it to reflect the size of the population.
d. calculating all measures of central tendency for a sample drawn from the population.
b
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Children who grow up in families headed by __________ parents tend to have a stronger sense of extended family.
A. gay or lesbian B. Caucasian American C. Asian American D. African American or Hispanic
Talking on a cell phone distracts a driver, and so does listening to a passenger who is talking on a cell phone
a. True b. False Indicate whether the statement is true or false
Divorce, a loss of a job, and other personal problems have plagued Anita in the last several years. Anita has recently started to have seizures, but her doctor has found no medical reason for the seizures. Which of the following disorders is Anita likely to have?
A. conversion disorder B. somatization disorder C. epilepsy D. hysteria
Occasional brief periods of stress ____
a. are harmful to an organism b. are harmful if the emotion is anger c. boost the activity of the immune system d. direct energy away from the synthesis of proteins