GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A random sample of 12 families were asked how many kids they had. The data is given below. Determine if the conditions are met to calculate a 99% confidence interval for the mean number of kids per family.1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 6
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There is no guarantee that a representative random sample is chosen.
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The conditions are met since the sample was chosen randomly.
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All conditions are met, and a confidence interval can be constructed.
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The conditions are not met since the boxplot has an apparent outlier.
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Explanation:
Detailed explanation-1: -Answer and Explanation: True about a 99% confidence interval based on a given sample: Interpretation for 99% confidence interval: It is 99% confident that the population mean falls in the calculated interval.
Detailed explanation-2: -The probability that a random sample of 12 senior high school students spends more than 24 hours is 0.806762.
Detailed explanation-3: -A 99 percent confidence interval would be wider than a 95 percent confidence interval (for example, plus or minus 4.5 percent instead of 3.5 percent). A 90 percent confidence interval would be narrower (plus or minus 2.5 percent, for example).
There is 1 question to complete.