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[DOC File]Z-Score Practice Worksheet
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If the standard deviation is 70 wpm, find the z-scores associated with each of the following reading speeds. a) 320 wpm b) 475 wpm c) 610 wpm. 4. SAT vs. ACT. Eleanor scores 680 on the SAT mathematics test. The distribution of SAT scores is symmetric and single peaked, with a mean of 500 and standard deviation of 100.
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[DOCX File]Welcome! [jbacamath.weebly.com]
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AP Statistics. 1.3 Homework Worksheet. Standard deviation, 5 # summary, variance, resistance, box plots. Please show all work on a separate piece of paper. Joey’s …
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[DOC File]STANDARD DEVIATION
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A manufacturer is trying to see how consistent their home rockets are. They send up ten rockets and measure the height each was able to reach. The data is given below. Make a dot plot. Find the mean, median and mode of the set. Use the mean to determine the standard deviation of the set. Label where one standard deviation falls on the dot plot.
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Name: _____________________________________ Period ...
Estimated mean: _____ Estimated standard deviation: _____ Actual mean: _____ Actual standard deviation: _____ Did the empirical rule help give you a good estimate of the standard deviation? Now that you know what the actual mean and standard deviation, calculate the following and . Locate these numbers on the dot plot above.
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[DOC File]The Practice of Statistics - AP STATISTICS - AP Statistics
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1. What are the mean and standard deviation of the sampling distribution of the sample mean ? Describe the conditions for these formulas. Explain how the behavior of the sample mean and standard deviation are similar to the sample proportion. The mean and standard deviation of …
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[DOC File]08 Probability Threory & Binomial Distribution
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2. Variance and Standard Deviation. The range and the inter-quartile range (IQR) are relatively primitive measures of the spread or dispersion of a data set. We'll now discuss the more sophisticated and commonly used . variance. and . standard deviation. The . standard deviation. is simply the . square root of the variance.
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[DOC File]AP Stats Chapter 2 Exam Review
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A. a mean of 100 and a standard deviation of 10. B. a mean of 25 and a standard deviation of 10. C. a mean of 25 and a standard deviation of 1. D. a mean of 1 and a standard deviation of 1. E. a mean of 0 and a standard deviation of 1. ____ 15. If 30 is added to every number on a list, the only one of the following that is not changed is. A ...
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[DOC File]PROBABILITY TOPICS: HOMEWORK
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The standard deviation for (b) is larger than the standard deviation for (a). We cannot determine if any of the third quartiles for the three graphs is different. Exercise 16. Refer to the following box plots. In complete sentences, explain why each statement is false. Data 1 has more data values above 2 than Data 2 has above 2.
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How to plot standard deviation