New drug on patient number of heartbeats

Reference no: EM133686488

Question

A study is commissioned to measure the effects of a new drug on a patient's number of heartbeats per minute. The study is hoping to find the ideal dosage to give a patient who is hospitalized for a rapid heartbeat. A sample of 75 people who deal with chronic rapid heartbeat is selected for the study. What is the explanatory variable in the study?

The sample of 75 selected for the study The dosage of the new drug The patient's number of heartbeats per minute The population of people hospitalized for rapid heartbeat.

Reference no: EM133686488

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