Which of the following accurately describes an empirical probability distribution? It is based on
a. a theoretical model of the relative frequency of events in a population.
b. the assumption the relative frequencies from observed samples represent those in the population.
c. determining the relative frequencies of all events in a population.
d. determining the relative frequencies of all events in a sampling distribution.
B
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If the shape of a frequency distribution is lopsided, with a long tail projecting longer to the right than to the left, how would the distribution be skewed?
a. normally b. negatively c. positively d. average
In a study in which pregnant women read a story to their unborn babies, newborns changed their rate of sucking on a pacifier in which of the following scenarios?
a. when their mothers read them a new story b. when a woman other than their mother read them a new story c. when their fathers read them the same story d. when a woman other than their mother read them the same story
Barbie and Ken love each other and live in a great house they decorated together. Lately, they have been arguing a lot over her new pink Cadillac and other expenditures. To avoid a break-up, Barbie and Ken should
A) ?strengthen conflict management skills. B) ?stifle disagreements. C) ?increase alone time. D) ?give up on their relationship.
The neural plate is formed from the ______ of the embryo
a) ectoderm b) endoderm c) neural tube d) embryonic plate