The accompanying summary data on CeO2 particle sizes (nm) under certain experimental conditions was read from a graph in an article. 3.0–<3.5 3.5–<4.0 4.0–<4.5 4.5–<5.0 5.0–<5.5 5 16 27 34 23 5.5–<6.0 6.0–<6.5 6.5–<7.0 7.0–<7.5 7.5–<8.0 15 8 3 3 1 (a) What proportion of the observations are less than 5? (Round your answer to three decimal places.) Answer:____________   (b) What proportion of the observations are at least 6? (Round your answer to three decimal places.) Answer:_____________   (c) Construct a histogram with relative frequency on the vertical axis. Answer:_____________   Comment on interesting features. In particular, does the distribution of particle sizes appear to be reasonably symmetric or somewhat skewed? [Note: The investigators fit a lognormal distribution to the data.]   ____positively skewed ____negatively skewed     ____symmetric

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Q: The accompanying summary data on CeO2 particle sizes (nm) under certain experimental conditions was…

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Q: = Question Heip Suppose a simple random sample of size n= 50 is obtained from a population whose…

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Q: Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an…

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