In a population distribution, a score of X = 28 corresponds to z = 21.00 and a score of X = 34 corresponds to z = 20.50. Find the mean and standard deviation for the population.
Answer to relevant QuestionsIn a sample distribution, X = 56 corresponds to z = 1.00, and X = 47 corresponds to z = 20.50. Find the mean and standard deviation for the sample. A distribution with a mean of μ = 38 and a standard deviation of σ = 5 is transformed into a standardized distribution with μ = 50 and σ = 10. Find the new, standardized score for each of the following valuesfrom the ...For a population with a mean of μ = 100 and a standard deviation of σ = 20, a. Find the z-score for each of the following X values. b. Find the score (X value) that corresponds to each of the following z-scores. For a normal distribution with a mean of μ = 60 and a standard deviation of σ = 10, find the proportion of the population corresponding to each of the following. a. Scores greater than 65. b. Scores less than 68. c. Scores ...Rochester, New York, averages μ = 21.9 inches of snow for the month of December. The distribution of snowfall amounts is approximately normal with a standard deviation of σ = 6.5 inches. This year, a local jewelry store is ...
Post your question