Exam IIBA-CBDA topic 1 question 44 discussion

Actual exam question from IIBA's IIBA-CBDA

Question #: 44
Topic #: 1

An analytics team is interested in reviewing the results of a public opinion poll that is going to be conducted at the end of the month. One of the factors the team is interested in, is ensuring the result set is statistically significant.
Why would this factor be important to the team?

A. Guarantee that the objectives of the poll are met
B. Ensure that results are not biased or random
C. Improve the likelihood of receiving a response rate of 100%
D. To make sure the criteria for the target audience is met

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Suggested Answer: B 🗳️

by Rabbitsfoot at July 28, 2024, 1:40 p.m.

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Rabbitsfoot

5 months, 3 weeks ago

Selected Answer: B

B. Ensure that results are not biased or random: See page 50 CBDA guide: Exploratory data analysis activities are more involved than data preparation activities. They provide opportunities for analysts and data scientists to discover latent data gaps, interrelationships between variables, and allow multiple statistical tests to determine whether data is equitable for the research problem... This portion clearly supports the importance of ensuring the data set is statistically significant to prevent bias and ensure the results are reliable and valid.

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Exam IIBA-CBDA topic 1 question 44 discussion

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Rabbitsfoot

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