Recently, Experian Reported That the Average Credit Score for a New-

question 119

Multiple Choice

Recently, Experian reported that the average credit score for a new- car loan was 753. Suppose Ally Financial, a bank holding company that finances car loans, would like to test the hypothesis that the average credit score has increased since the Experian report. A random sample of 20 new- car loans had an average credit score of 764.2 with a sample standard deviation of 34.5. Ally Financial would like to set α = 0.05. The test statistic for this hypothesis test would be ----- .

• A)t x = 2.31
• B)t x = 1.45
• C)z x = 2.04
• D)z x = 1.25

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Definitions:

Attitudinal Foundations

The basic underlying beliefs or attitudes that shape an individual's perception, behavior, and response to various situations.

Intuition

The ability to understand or know something immediately based on feelings rather than facts or evidence.

Sympathetic Nervous

Pertaining to the part of the autonomic nervous system involved in preparing the body for rapid, involuntary action in response to stress.

Parasympathetic Nervous

Part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing intestinal and gland activity.