Question: Consider this statement in a physical therapy journal: The procedure resulted in a mean increase in movement of only 6 degrees (95% CI, -2 to

Consider this statement in a physical therapy journal: "The procedure resulted in a mean increase in movement of only 6 degrees (95% CI, -2 to 14 degrees)." Which interpretation(s) is(are) correct?

A. The results are normally distributed

B. The standard error of the mean is about 8 degrees

C. The standard error of the mean is about 4 degrees[SJ1]

D. A p-value is required before the results can be interpreted

E. The increase is not statistically significant at the 0.05 level

*I think E is correct because zero is included in the CI, and I don't think A or D is correct. However, I'm confused about options B and C. Thank you!

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