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A Physical Therapist Is Interested in Whether People with Different

Question 111

Multiple Choice

A physical therapist is interested in whether people with different bone structures will be affected differently by her new therapy program.She randomly chooses two groups of patients based on bone type: small-boned frame (XS) and large-boned frame (XL) .Patients all had similar injuries.She measures the number of days each person takes to progress to a predetermined point.Here is the data: A physical therapist is interested in whether people with different bone structures will be affected differently by her new therapy program.She randomly chooses two groups of patients based on bone type: small-boned frame (X<sub>S</sub>) and large-boned frame (X<sub>L</sub>) .Patients all had similar injuries.She measures the number of days each person takes to progress to a predetermined point.Here is the data: What is the null hypothesis? A) µ<sub>S</sub> = µ<sub>L</sub> B) µ<sub>S </sub> µ<sub>L</sub> C) µ<sub>S</sub> < µ<sub>L</sub> D) µ<sub>S</sub> > µ<sub>L</sub>
What is the null hypothesis?


A) µS = µL
B) µS A physical therapist is interested in whether people with different bone structures will be affected differently by her new therapy program.She randomly chooses two groups of patients based on bone type: small-boned frame (X<sub>S</sub>) and large-boned frame (X<sub>L</sub>) .Patients all had similar injuries.She measures the number of days each person takes to progress to a predetermined point.Here is the data: What is the null hypothesis? A) µ<sub>S</sub> = µ<sub>L</sub> B) µ<sub>S </sub> µ<sub>L</sub> C) µ<sub>S</sub> < µ<sub>L</sub> D) µ<sub>S</sub> > µ<sub>L</sub>
µL
C) µS < µL
D) µS > µL

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