Normal Distribution and Standard Error

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II. STATEMENT OF THE PROBLEM As part of a long-term study of individuals 65 years of age or older, sociologists and physicians at the Wentworth Medical Center in upstate New York investigated the relationship between geographic location, health status ( healthy or one or more comorbidities), and depression. Random samples of 20 healthy individuals were selected from three geographic locations: Florida, New York, and North Carolina. Then, each was given a standardized test to measure depression (higher test scores indicate higher levels of depression). Similarly, random samples of 20 individuals with one or more comorbidities (arthritis, hypertension, and/or heart ailment) were taken from the three geographic locations. They were also…show more content…
| | | |Geometric Mean |5.07619 |Percentile 75% (Q2) |7. | | | |Harmonic Mean |4.53768 |IQR |3. | | | |Mode |7. |MAD |1.5 | | | |Variable #2 (New York) | | | |Count |20 |Skewness |0.57775 |Confidence Level: | | | | | | |1.2335 | | |Mean |8. |Skewness Standard Error |0.48582 | | | |Mean LCL |6.75047
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