Question

To find:The conditions for the population and the study design that are required by the procedure and are used to contruct the confidence interval. To

Study design
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asked 2020-10-27
To find:The conditions for the population and the study design that are required by the procedure and are used to contruct the confidence interval.
To identify:The important conditions for the validity of the procedure in the given case.
In an experiment on the effect of calcium and blood pressure, 54 healthy white males are divided into two groups’ calcium and placebo. The summary statistic for the systolic blood pressure of the 27 members of the placebo group is ¥ = 114.9 and s=9.3.

Answers (1)

2020-10-28
Justification:
The conditions for the population and the study design that are required by the procedure and are used to construct the confidence interval is,
- Simple random sample from the population.
- Observations are from a normal population.
The important condition is that, the 27 members of the placebo group tested which is considered as simple random sample from a population. Thus, the most important condition for their safe use is that the data can be regarded as an SRS from the population because the t procedures are robust.
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