Suppose a Random Sample of 1,220 U

question 1

Multiple Choice

Suppose a random sample of 1,220 U. S. adults were asked about their opinion regarding federal spending on infrastructure (i.e. roads and bridges) . Respondents were asked whether federal spending on infrastructure was (a) too low, (b) adequate, or (c) too high. Respondents were classified by income level. Choose the correct hypotheses to test whether there is an association between the response to the question and income level.

• A)H0 : There is no difference between the proportions of U.S.adults who responded (a), (b) or (c) to the opinion question.
• Ha: There is a difference between the proportions of U.S.adults who responded (a), (b) or (c)
• To the opinion question.
• B)H0 : Among U.S.adults, opinions about federal spending on infrastructure and income level are associated.
• Ha: Among U.S.adults, opinions about federal spending on infrastructure and income level are
• Independent.
• C)H0: Among U.S.adults, opinions about federal spending on infrastructure and income level are independent.
• Ha: Among U.S.adults, opinions about federal spending on infrastructure and income level are
• Associated.
• D)None of the above

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Definitions:

Mixed Method Approach

A research approach that combines quantitative and qualitative methods to gain a better understanding of research questions or problems than using either method alone.

Reliability

The consistency and dependability of a measurement, test, or result when repeated under the same conditions.

Validity

The degree to which a test or instrument measures what it is supposed to measure.

Validity

The degree to which an idea, conclusion, or measurement is grounded in reality and accurately reflects the actual world.