Add 10 to only the smallest score in Question 4.4 (1, 3, 4, 4) to produce another new distribution (11, 3, 4, 4). Would you expect the value of s to be the same for both the original and new distributions? Explain your answer, and then calculate s for the new distribution.
Answer to relevant QuestionsIn what sense is the variance (a) A type of mean? (b) Not a readily understood measure of variability? (c) A stepping stone to the standard deviation? Admission to a state university depends partially on the applicant’s high school GPA. Assume that the applicants’ GPAs approximate a normal curve with a mean of 3.20 and a standard deviation of 0.30. (a) If applicants ...Each of the following pairs represents the number of licensed drivers (X) and the number of cars (Y) for seven houses in my neighborhood: DRIVERS ( X ) CARS ( Y ) 5.............. 4 5.............. 3 2.............. ...A sensor is used to monitor the performance of a nuclear reactor. The sensor accurately reflects the state of the reactor with a probability of .97. But with a probability of .02, it gives a false alarm (by reporting ...Let’s assume that over the years, a paper and pencil test of anxiety yields a mean score of 35 for all incoming college freshmen. We wish to deter-mine whether the scores of a random sample of 20 new freshmen, with a mean ...
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