If a Hypothesis Test for a Single Population Variance Is

question 66

Multiple Choice

If a hypothesis test for a single population variance is to be conducted using a significance level of 0.10,a sample size of n = 16,and the test is a one-tailed upper-tail test,the critical value is:

• A)z = 1.28
• B)t = 1.345
• C)x² = 22.3071
• D)x² = 24.9958

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Definitions:

Adenine

One of the four nucleobase molecules used to form the building blocks of DNA and RNA, pairing with thymine in DNA and uracil in RNA.

Polygenic Traits

Traits that are influenced by more than one gene, resulting in a wide range of phenotypes, such as height and skin color.

Genes

The units of heredity made up of DNA that carry information responsible for the expression of traits from parents to offspring.

Twins

Two offspring produced by the same pregnancy. Twins can be identical (monozygotic) or fraternal (dizygotic).