How many cars from the sample of 9,549 had speeds at least 1.5 standard deviation units above the mean?
A national survey of speeds on interstate highways found that the average speed of 9,549 automobiles was 73 mph, with a standard deviation of 10 mph.
Ans: 6.68%
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From 24 to 30 months, many children are ready for potty training and might even train themselves if the opportunity is provided
a. True b. False
Which of the following cultural factors encourage language retention?
A. Emotional attachment to the home or heritage language. B. Cultural and religious ceremonies conducted in home or heritage language. C. When a greater emphasis is placed on individual achievement than family or community ties. D. A and B only. E. A, Band C.
Which of the following may cause unclear communication that negatively affects personal interactions?
A. Conflict between individuals with different goals B. Conflict between individuals with the same goals C. Conflict about power D. Conflict within individuals
The ability to speak only one language is
a. Monolingualism. b. Bilingualism. c. Multiculturalism. d. Biculturalism.