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Analysis of Grip Strength: Statistical Inquiries and Comparisons

This project focuses on analyzing grip strength data collected from various subjects. Students will download the provided spreadsheet from the Materials page and work in pairs to investigate specific questions using a significance level of α = 0.05 when applicable. Key comparisons include differences in grip strength between dominant and weaker hands, variations between male and female grip strengths, and the impact of foot size on grip strength. Additionally, the study evaluates grip strength differences based on clothing color and room placement. Engage in statistical analysis to determine findings.

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Analysis of Grip Strength: Statistical Inquiries and Comparisons

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  1. Exam I Bonus* Problems • We collected the Grip Strength Data, and it is posted on the Materials Page - download the spreadsheet, and in groups of two, answer the following (assume  = .05, when needed): • Is there a significant difference in dominant and weaker hand strength? • Do male grip strengths vary more than females? • Does the right side of the room have a stronger grip than the left side of the room? • Is there a difference in grip strength between gray/white shirted people and all others? • Does foot size make a difference in grip strength? • Does foot size correlate with grip strength – if, so, how? • Are SDSM&T students stronger than the average public? • Assume: mean Male strength is 104.3.0 lbs, std dev is 28.3 lbs (right hand) mean Female strength is 62.8 lbs, std dev is 17.0 lbs (right hand) IENG 486 Statistical Quality & Process Control

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