How to use empirical rule
[DOC File]Z-scores and Empirical Rule Notes
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In order to use the Empirical Rule or a Z-table. your data must be normally distributed. Use what you know about a normal distribution to answer the following questions: 1. Which graph above has a larger mean? Solution: Graph B has a larger mean because the mean is located in the middle of each.
[DOC File]Z-Score Practice Worksheet
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Use the Empirical Rule to answer the following questions. a) What percent of men are taller than 74 inches? b) Between what heights do the middle 95% of men fall? c) what percent of men are between 64 and 66.5 inches tall? d) A height of 71.5 inches corresponds to …
[DOCX File]Weebly
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Use the Empirical Rule: A certain brand of automobile tire has a mean life span of 35,000 miles and a standard deviation of 2250 miles. Assume the life spans of the tires have a bell-shaped distribution. Draw a normal distribution that clearly shows the empirical rule.
[DOCX File]www.stat.purdue.edu
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Use Empirical Rule: 95% => Mean ± 2. standard deviation = (12-2*16.5, 12+2*16.5)=(-21%, 45%) Mark the mean, the answer you got from part (a) in the curve below and shade in the appropriate area that corresponds to the 95% referred to in part (a). Also sketch a Normal curve for part (a) in terms of Z. (Sketch Z = 0, the standardized score, and ...
[DOCX File]Purdue University - Department of Statistics
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Use Empirical Rule: Mean ± 3. standard deviation => 99.7 % The largest 16% of Anacondas will be heavier than what weight? Mean + 1 standard deviation=330+20=350 pounds. The smallest 2.5% of Anacondas will be smaller than what weight? M. e. an - 2. standard. deviation=330-2*20=290. pounds.
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For each of the dot plots below, use the Empirical Rule to estimate the mean and the standard deviation of each of the following distributions. Then, use your calculator to determine the mean and standard deviation of each of the distributions. Did the empirical rule give you a …
[DOC File]Paper Grading Guide
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Finally, use Empirical Rule on the starting salaries and determine whether the salaries follow the Empirical Rule. Total Available Total Earned. 3 #/3 Writing Guidelines.
[DOC File]Chapter 2 Review – Due Wednesday
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Use the empirical rule to describe the sampling distribution model for the proportion of students in a randomly selected group of 200 college students who engage in binge drinking. Do you think the appropriate conditions are met? 5. After hearing of the national results that 44% of students engage in binge drinking, a professor surveyed a ...
[DOC File]Empirical Rule:
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However, we can get a better result when we use the empirical rule for normal distribution. Empirical Rule: For a distribution that is symmetrical and bell-shaped (in particular, for a normal distribution): Approximately 68% of the data values will lie within one standard deviation on each side of the mean.
[DOC File]Review chapter 3-4
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Use the range rule of thumb to estimate the minimum and maximum “usual” volumes. 16.2 ounces, 16.48 ounces. 2. Use the empirical rule to solve the problem. The amount of Jen’s monthly phone bill . is normally distributed with a mean of $75 and a standard deviation of $9. What
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