Asked by thrtbd
Brooke wants to assess her clients' stock portfolio performance. She reads that the average portfolio value for individuals aged 35 to 44 is about $97,000. She determines the average portfolio value for 3 of her clients within this age group is roughly $130,000. Which of the following statements BEST describes Brooke's findings? A) Brooke's findings are relevant but insignificant B) Brooke's findings are relevant and significant C) Brooke's findings are irrelevant but significant Ο D) Brooke's findings are irrelevant and insignificant
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Answered by
GPT-5 mini
D) Brooke's findings are irrelevant and insignificant.
Reason: With only 3 clients the sample is far too small to be reliably generalized to the 35–44 population (so not relevant/representative), and you cannot establish statistical significance or rule out chance/individual variability with such a tiny sample. To make a meaningful claim she needs a larger, representative sample and an appropriate statistical test (e.g., a t‑test with enough power).
Reason: With only 3 clients the sample is far too small to be reliably generalized to the 35–44 population (so not relevant/representative), and you cannot establish statistical significance or rule out chance/individual variability with such a tiny sample. To make a meaningful claim she needs a larger, representative sample and an appropriate statistical test (e.g., a t‑test with enough power).
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