A Sample of 30 Observations Provides the Following Statistics

question 105

Essay

A sample of 30 observations provides the following statistics: a.Calculate and interpret the sample correlation coefficient .
B)Specify the hypotheses to determine whether or not x and y are significantly correlated.
C)At the 5% significance level,what is the conclusion to the test using the critical-value approach? Explain.
D)At the 5% significance level,what is the conclusion to the test using the p-value approach? Explain.

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Definitions:

Mental Retardation

An outdated and now considered offensive term for intellectual disability, which is characterized by limitations in intellectual functioning and adaptive behavior.

Mutations

Permanent alterations in genes or chromosomes that may produce harmful characteristics.

Heritability

The proportion of variation in a trait among individuals that can be attributed to genetic variations.

Monozygotic

Pertaining to twins who are genetically identical because they were formed from a single fertilized egg that split into two.