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In nQuery finding the appropriate sample size method for your study is easy. Simply go to select test design and goal window and select the relevant options for your study. All your options will now appear below.
Receive Regulatory Approval
Consistently calculate the appropriate sample size for FDA/EMA submission
Validated sample size tables & procedures
Sample size statement generator
Installation & operational qualification (IQ/OQ)
Whether designing a clinical trial or putting together a study proposal, sample size determination is an integral part of the study planning process. With over 20 years of experience in clinical trial design, when using nQuery you can trust that your sample size determination is being conducted to the highest regulatory standards.
In this table we could enter the expected means in each of the three groups and derive a value for the variance of means by entering the values, selecting compute and then clicking transfer to place it in the main table.
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