In Order to Predict with 80% Confidence the Expected Value

question 147

Multiple Choice

In order to predict with 80% confidence the expected value of y for a given value of x in a simple linear regression problem, a random sample of 15 observations is taken. Which of the following t-table values listed below would be used?

• A) 1.350
• B) 1.771
• C) 2.160
• D) 2.650
• E) 2.260

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Definitions:

Thimble

A small protective shield worn on the finger or thumb to prevent injury when sewing, or a component used to anchor or guide a rope or cable.

Equal Divisions

The act of dividing something into parts or sections that are of the same size or value.

Machinist Rule

A machinist rule is a precision measuring instrument used by machinists to measure distances and dimensions accurately.

Dial Caliper

A mechanical measuring caliper with a rotary display scale.