Please do the math by hand, do not use a program, I need to see the...

Please do the math by hand, do not use a program, I need to see the procedure, the answer itself is less important.

Comparison of peak expiratory flow rate (PEFR) before and after a walk on a cold winter's day for a random sample of 9 asthmatics. Use the following data to determine if the patients conditioned changed after a walk. Present your results and make some interpretations.

Subject	Before	After
1	312	300
2	242	201
3	340	232
4	388	312
5	296	220
6	254	256
7	391	328
8	402	330
9	290	231

Expert Solution

milcah answered 1 year ago

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