I If the Null Hypothesis Is $\mu$ $\ge$ 200 and the Alternate Hypothesis States That

question 17

Multiple Choice

i. If the null hypothesis is $\mu$ $\ge$ 200 and the alternate hypothesis states that $\mu$ is less than 200, then, a two-tail test is being conducted. ii. For a one-tailed test of hypothesis, the area of rejection is only in one tail of the curve.
iii. As the sample size increases, the curve of the t-distribution approaches the standard normal distribution

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Construct Validity

The extent to which a test measures what it claims to measure, assessing the accuracy of an instrument or experiment.

Conceptual Replication

The process of conducting a study with different methods or measures than the original to validate the same underlying concept or hypothesis.

Direct Replication

The process of conducting a study with the same methodology and under the same conditions as a previous study to verify its results.

Meta-analysis

is a statistical technique that combines the results of multiple scientific studies to arrive at a comprehensive conclusion.