The Numbers of Rooms for 15 Homes Recently Sold Were

question 1

Multiple Choice

The numbers of rooms for 15 homes recently sold were (mean = 7.4) :
8, 8, 8, 5, 9, 8, 7, 6, 6, 7, 7, 7, 7, 9, 9

-What is the variance?

• A)1.183
• B)1.400
• C)4.00
• D)16.00
• E)1.96

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Definitions:

Consistency

The degree to which a person's responses or behaviors are the same across different situations or over time.

Computed R-Values

Numerical measures that represent the strength and direction of a linear relationship between two variables.

Test Scores Reliability

The degree to which test scores are consistent and stable over time, indicating the reliability of the test.

Measurement Error

The difference between the observed value and the true value of a variable, due to inaccuracies in data collection or analysis.