The Probability That House Sales Will Increase in the Next

question 46

Multiple Choice

The probability that house sales will increase in the next 6 months is estimated to be 0.25.The probability that the interest rates on housing loans will go up in the same period is estimated to be 0.74.The probability that house sales or interest rates will go up during the next 6 months is estimated to be 0.89.The probability that neither house sales nor interest rates will increase during the next 6 months is:

• A)0.11
• B)0.195
• C)0.89
• D)0.90

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Definitions:

Cronbach's Alpha

A measure of internal consistency that assesses how closely related a set of items are as a group, often used in survey research.

Internal Consistency

A measure of the reliability of a psychological test that assesses the extent to which different test items that propose to measure the same general construct produce similar results.

Cohen's Kappa

Cohen's Kappa is a statistical measure used to assess the reliability of inter-rater agreement for qualitative (categorical) items, correcting for the chance of agreement.

Item-total Correlation

The relationship between individual item scores and the overall score across all items in a test or questionnaire.