Which of the following is true about a 95% confidence interval of the mean:
A. 95 out of 100 confidence intervals will contain the population mean.
B. 95 out of 100 sample means will fall within the limits of the confidence interval.
C. 95% of population means will fall within the limits of the confidence interval.
D. There is a 0.05 probability that the population mean falls within the limits of the confidence interval.
Answer: A
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Describe the differences in the language environment between infants and young children in low income families as compared to middle or high income families. What are the consequences of these differences? Design an intervention program to promote language development for children in low income families.
What will be an ideal response?
Children can constructively create and build their own computerized toys through
A. Robotics B. Handheld games C. Video games D. Multiplayer online role-playing games
Which of the following statements is true regarding the influence of the geographical distance between older parents and their adult children:
a. It remains the same as parents grow older. b. It becomes significantly greater as parents get older. c. It is lessened as older parents grow older. d. It detrimentally affects close ties between older parents and their adult children.
The most likely source of confounding in the interrupted time-series design is:
a. Attrition b. Regression artifact c. Differential selection d. History