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School

Southern New Hampshire University *

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Course

501

Subject

Statistics

Date

Feb 20, 2024

Type

png

Pages

1

Uploaded by DeaconMaskGoldfinch14

Report
yStatLab: Module One In phase Il testing of a new drug designed to increase the red blood cell count, a researcher obtains envelopes with the names and addresses of all treated subjects. She wants to increase the dosage in a sub-sample of 35 subjects, so she thoroughly mixes all of the envelopes in a bin, then pulls 35 of those envelopes to identify the subjects to be given the increased dosage. What type of sampling is used? Stratified sample Systematic sample Convenience sample Cluster sample v Simple random sample Is the procedure likely to yield a representative sample or a biased sample? Explain why. . The procedure is likely to yield a representative sample because the subjects are all chosen to be similar as part of the design of the experiment. Therefore, any sampling method will yield patients which are identical in all the aspects relevant to the study. 1. The procedure is likely to yield a representative sample because there is no bias in the selection process. .. The procedure is likely to yield a biased sample because the researcher knows the patients from treating them previously and that will influence her decision as to which patient will get an increased dosage. The procedure is likely to yield a biased sample because the subgroup size of 35 is too small.
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