Each individual in a sample of nursing home patientswas
Chapter 14, Problem 39(choose chapter or problem)
Each individual in a sample of nursing home patients was cross-classified both with respect to cognitive state(normal or mild impairment, moderate impairment,severe impairment) and with respect to drug status (psychotropic drug change, psychotropic user without a change, no psychotropic medication). The following Minitab output resulted from a request to perform a chi squared analysis.
(Psychotropic Drug Initiation or Increased Dosageand the Acute Risk of Falls, BMC Geriatrics, 2013:13:19).
a. Verify the expected frequency and contribution to x2 in the normal drug change cell of the two-way table.
b. Does there appear to be an association between cognitive state and drug status? State and test the appropriate hypotheses using a significance level of .01.[Note: The cited article reported a P-value.]
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