In a Sample of 20 Participants,a Researcher Estimates the 99

question 53

Multiple Choice

In a sample of 20 participants,a researcher estimates the 99% CI for a sample with a mean of = 3.7 and an estimated standard error for the difference scores ( ) of 0.2.What is the confidence interval at this level of confidence?

• A)99% CI 3.5,3.9
• B)99% CI 3.2,4.2
• C)99% CI 3.1,4.3
• D)There is not enough information to answer this question.

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Definitions:

Anther

The part of the stamen in flowers that produces microspores and, ultimately, pollen grains.

Endosperm

A nutritive tissue in seeds of most flowering plants, providing sustenance to the developing embryo.

Triploid

An organism or cell having three complete sets of chromosomes, typically resulting from a cross between a diploid and a tetraploid or through nondisjunction events.

Angiosperm Seed

A reproductive structure produced by flowering plants, containing an embryo and nutrients, enclosed in a protective outer covering.