If a dataset has values ranging from 10 to 95 and you decide to use a class width of 10, how many classes would be needed for an exclusive frequency distribution? MCQ with Answer and Explanation
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Question #1
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The data collected from a sample is:
Correct Answer: Option D
Explanation:
Sample survey collects data from a subset of the population.
Sample survey collects data from a subset of the population.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Which of the following is a characteristic of a well-designed questionnaire?
Correct Answer: Option A
Explanation:
Simple language prevents misinterpretation, ensuring reliable and accurate data collection from respondents.
Simple language prevents misinterpretation, ensuring reliable and accurate data collection from respondents.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In attribute theory, if (A)=200, (B)=300, N=1000, and A and B are independent, the expected frequency of (AB) is:
Correct Answer: Option D
Explanation:
Under independence, E(AB) = (A)×(B)/N = 200×300/1000 = 60,000/1000 = 60. This is the product of marginal proportions times total population.
Under independence, E(AB) = (A)×(B)/N = 200×300/1000 = 60,000/1000 = 60. This is the product of marginal proportions times total population.
This question belongs to:
Accountancy and Statistics
Statistics
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