Question: In a distribution of 160 values with a mean of
In a distribution of 160 values with a mean of 72, at least 120 fall within the interval 67–77. Approximately what percentage of values should fall in the interval 62–82? Use Chebyshev’s theorem.
Answer to relevant QuestionsThe average number of calories in a regularsize bagel is 240. If the standard deviation is 38 calories, find the range in which at least 75% of the data will lie. Use Chebyshev’s theorem. The average farm in the United States in 2004 contained 443 acres. The standard deviation is 42 acres. Use Chebyshev’s theorem to find the minimum percentage of data values that will fall in the range of 338–548 acres. The mean deviation is found by using this formula: where X = value = mean n = number of values | | = absolute value Find the mean deviation for these data. 5, 9, 10, 11, 11, 12, 15, 18, 20, 22 The average score on a state CDL license exam is 76 with a standard deviation of 5. Find the corresponding z score for each raw score. a. 79 b. 70 c. 88 d. 65 e. 77 The airborne speeds in miles per hour of 21 planes are shown. Find the approximate values that correspond to the given percentiles by constructing a percentile graph. Class Frequency 366–386.....4 387–407 ...
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