A Physical Therapist Is Interested in Whether People with Different

question 85

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 (X_S) and large-boned frame (X_L) .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 observed value of the independent groups t test?

• A)-0.61
• B)-1.23
• C)-1.56
• D)-1.77

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Definitions:

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