Golf Course Designer Roberto Langabeer Is Evaluating Two Sites, Palmetto $\bar { x }$

question 71

Multiple Choice

Golf course designer Roberto Langabeer is evaluating two sites, Palmetto Dunes and Ocean Greens, for his next golf course.He wants to prove that Palmetto Dunes residents (population 1) play golf more often than Ocean Greens residents (population 2) .Roberto commissions a market survey to test this hypothesis.The market researcher used a random sample of 64 individuals from each suburb, and reported the following: $\bar { x }$ ₁ = 15 times per month and $\bar { x }$ ₂ = 14 times per month.Assume that $\sigma$ ₁ = 2 and $\sigma$ ₂ = 3.With $\alpha$ = .01, the critical z value is _________________.

• A)-1.96
• B)1.96
• C)-2.33
• D)-1.33
• E)2.33

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Definitions:

Systematic Observation

A structured method of data collection where researchers consistently observe and record behavior according to a set of predefined criteria.

Coding Systems

Organized frameworks for categorizing, labeling, or coding data, typically qualitative, to facilitate systematic analysis.

Systematic Observation

An organized method of collecting data where the observer adheres to a set of predefined procedures to minimize biases.

Prior Hypotheses

Preconceived theories or assumptions made before conducting an experiment or research study.