A one-sample t test was used to see if a college ski team skied faster than the population of skiers at a popular ski resort. The resulting statistic was t.05(23) = -7.13, p < .05. What should we conclude?
a. The sample mean of the college skiers was significantly different from the population mean.
b. The sample mean of the college skiers was not significantly different from the population mean.
c. The null hypothesis was true.
d. The sample mean was greater than the population mean.
A
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a. glial cell. b. neuron. c. cell body. d. myelin sheath. e. oligodendrocyte.
JoAnne goes to the local electronics store to purchase a $30 DVD player that was advertised in the paper. Upon arriving, the salesperson tells her that they have just run out and offers to show JoAnne some other models. JoAnne ends up purchasing a $150 DVD player. JoAnne has been the victim of which technique of persuasion?
a. bait-and-switch b. foot-in-the-door c. switch-and-pay d. high-ball e. low-ball