A Lay Witness Differs from an Expert Witness in That

question 37

Multiple Choice

A lay witness differs from an expert witness in that:

• A) An expert witness must qualify as an expert in order to testify whereas a lay person only needs to observe an event.
• B) An expert witness provides testimony to explain things that the jury otherwise could not understand whereas a lay witness's testimony is limited to what he or she witnessed with one of his or her senses.
• C) An expert witness's testimony is based on scientific, technical, or other specialized knowledge whereas a lay person's testimony is based on information obtained for one of his or her five senses.
• D) All of the above are correct.

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Definitions:

T Value

A statistic calculated in a T-test that determines the significance of the difference between two groups' means.

Test Statistic

A value calculated from sample data during hypothesis testing. It is used to decide whether to reject the null hypothesis.

Significance Level

The probability of rejecting the null hypothesis when it is true; a threshold for determining whether a result is statistically significant.

Dividend Payout

The portion of earnings distributed to shareholders in the form of dividends, typically expressed as a percentage of the company's earnings.