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Jan 9, 2024
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Introduction to Quantitative Analysis: Confidence Intervals
RSCH-8201: Quantitative Reasoning and Analysis
Walden University Dr. Hijazi
2023
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Introduction to Quantitative Analysis: Confidence Intervals
This paper will investigate the relationship between confidence intervals, the range of values within which a population variable can be reasonably expected to be observed, and the mean value of the Q1 (Age) variable. Data were obtained from the Afrobarometer dataset. The number of adults in a household is the variable used for the purpose of the confidence interval analysis. The mean value of the adults in the household is 3.61. The average value, also known as the median value, is calculated by multiplying the total values in a sample by the total values in the sample. The confidence interval for the mean value is calculated by calculating the confidence interval for the population mean.
Q1 (Age) Mean Analyzing the confidence interval of the African barometer (N.D.) survey was derived from the number of adult subjects in a household. The sample size was divided into two groups, 100 and 400. The confidence intervals were expressed as percentages (90%) and percentages (95%), with the mean value being 3.94 (for the 90%), the sample value (100), and the confidence
interval (95%) being 3.81 (for the 400 samples). The mean value for the 95 percent confidence interval was 3.81, and the mean value for the 90 percent confidence interval was also 3.81 (also for the 400 sample).
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95% confidence interval for Number of Adults in the household (Sample 100) 90% Confidence Interval for Number of Adults in the Household (Sample 100)
The social change issue that can be identified by examining the data collection of the number of adults residing in a household can be used to describe the economic alterations that may remain, including the costs of living, interpersonal relations, and familial structures, which can be used to infer the sensitivity of adults to sharing housing and the factors that contribute to such alterations.
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References Adedokun B. O. (2008). P - value and confidence intervals - facts and farces.
Annals of Ibadan postgraduate medicine
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(1), 33–34. https://doi.org/10.4314/aipm.v6i1.64041
Hurley M, Tenny S. Mean. [Updated 2023 Jul 17]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-.
Available from: https://www.ncbi.nlm.nih.gov/books/NBK546702/