Mathematics, 01.02.2021 20:50 tinasidell1972
Percent of children under five considered to be underweight. Percent of Underweight Children Number of Countries 16–21.45 23 21.45–26.9 4 26.9–32.35 9 32.35–37.8 7 37.8–43.25 6 43.25–48.7 1 What is the best estimate for the mean percentage of underweight children? What is the standard deviation? ( consider this sample data ( not population data ) Consider that unusual values are typically more than 2 standard deviations ( ±2sx ) from the mean. Therefore, which interval(s) could be considered unusual? Explain.
Answers: 3
Mathematics, 21.06.2019 15:30, jdisalle7486
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Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
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Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
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Don't know how to find x given these segment lengths
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