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2. The ages of the 189 people were recorded in a clinical study. The data have been partially summarized and analyzed for your convenience. ΣΧ = 10,401 Median = 54 Skew = 0.21 Σ(x²) = 590,865 Q1 = 48 Kurtosis = -0.21 Range = [30,82] Q3 = 61 a. Determine the following: the mean, the standard deviation, the coefficient of variation, and the Pearson Coefficient of Skewness. b. Based on the range, do the data have any outliers? What values would be outliers? c. Describe the overall shape of the distribution.

2. The ages of the 189 people were recorded in a clinical study. The data have been partially summarized and analyzed for your convenience. ΣΧ = 10,401 Median = 54 Skew = 0.21 Σ(x²) = 590,865 Q1 = 48 Kurtosis = -0.21 Range = [30,82] Q3 = 61 a. Determine the following: the mean, the standard deviation, the coefficient of variation, and the Pearson Coefficient of Skewness. b. Based on the range, do the data have any outliers? What values would be outliers? c. Describe the overall shape of the distribution.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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2. The ages of the 189 people were recorded in a clinical study. The data have been partially summarized and analyzed for your convenience. ΣΧ = 10,401 Median = 54 Skew = 0.21 Σ(x²) = 590,865 Q1 = 48 Kurtosis = -0.21 Range = [30,82] Q3 = 61 a. Determine the following: the mean, the standard deviation, the coefficient of variation, and the Pearson Coefficient of Skewness. b. Based on the range, do the data have any outliers? What values would be outliers? C. Describe the overall shape of the distribution. d. Are the data sufficiently normally distributed to use a statistical test which requires a normal distribution? (Note: the data are not bimodal.)
Transcribed Image Text:2. The ages of the 189 people were recorded in a clinical study. The data have been partially summarized and analyzed for your convenience. ΣΧ = 10,401 Median = 54 Skew = 0.21 Σ(x²) = 590,865 Q1 = 48 Kurtosis = -0.21 Range = [30,82] Q3 = 61 a. Determine the following: the mean, the standard deviation, the coefficient of variation, and the Pearson Coefficient of Skewness. b. Based on the range, do the data have any outliers? What values would be outliers? C. Describe the overall shape of the distribution. d. Are the data sufficiently normally distributed to use a statistical test which requires a normal distribution? (Note: the data are not bimodal.)
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