A new study compared the grip strength and pinch strength of millennial men with

Question

A new study compared the grip strength and pinch strength of millennial men with that of men who were young in 1985, finding that millennial men may have significantly weaker hands and arms. Modern- day researchers measured the grip strength (kilogram) and pinch strength (kilograms) of 237 healthy full- time students aged 20 to 34 at universities in North Carolina. The 1985'study used 163 volunteers from an area around Milwaukee, many of which were recruited from a university setting. With men, the reduction in strength compared to 30 years ago was striking. Young people reading about this study may argue that grip strength isn't quite the same thing as benching 200 pounds or doing a set of squats, but this study may have implications for the current generation's health outcomes down the road: grip strength is a strong predictor of mortality in later life 1. Do the samples represent the intended populations? 2. How many cases are in each study? 3. What are the response variables? Are they discrete or continuous? 4. What are possible confounding variables? 5. Are the studies described observational studies or randomized experiments?

Explanation / Answer

Solution1:

samples represnt intended populations.

comparing the grip strength and pinch strength of miliennial men with that of men who were young in 1985

sample size is 237

Solution2:

grip strength and pinch strength of 237 healthy full time students

Solution3:

Response variable is dependent variable

grip strength and pinch strength of millenial men

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