Question 38 (1.5 points) A survey of 100 nursing home residents finds a +0.2 cor

Question

Question 38 (1.5 points) A survey of 100 nursing home residents finds a +0.2 correlation betvween number of recreational and social activities attended and physical wellbeing. An administrator reading the survey results concludes that the finding prove the need to provide more recreational and social activities and to devote more money and resources to those activities and is going to make a decision to employ more staff for the recreational and social activities. What would be the best advice for him? O Since the correlation r from the survey is statistically significant, his conclusion is valid. O Correlation r is not an appropriate statistic for those variables o There is positive correlation but it does ssarily mean that attending more recreational and social activities causes the improvement of physical wellbeing. More research is needed It is true that there is a correlation between attending recreational and social activities and residents wellbeing and it also shows causal relationship Since there is no correlation found, his conclusion is not valid Save

Explanation / Answer

n=100

df= n-2= 98

r critical: r(0.05/2,98)= 0.197

Given correlation value= 0.2

The correlation is significant and rejects H0. His conclusion is valid.

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