A sample of n = 6 scores has a mean of M = 13. If one person with a score of X = 3 is removed from the sample, what is the value for the new mean?
Answer to relevant QuestionsA sample of n = 15 scores has a mean of M = 6. One person with a score of X = 22 is added to the sample. What is the value for the new sample mean? A population of N = 8 scores has a mean of m = 16. After one score is removed from the population, the new mean is found to be m = 15. What is the value of the score that was removed? Schmidt (1994) conducted a series of experiments examining the effects of humor on memory. In one study, participants were shown a list of sentences, of which half were humorous and half were nonhumorous. A humorous example ...a. After 3 points have been added to every score in a sample, the mean is found to be M = 83 and the standard deviation is s = 8. What were the values for the mean and standard deviation for the original sample? b. After ...Within a population, the differences that exist from one person to another are often called diversity. Researchers comparing cognitive skills for younger adults and older adults, typically find greater differences (greater ...
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