Distribution: [1,1,4,4,5] What is the sum of squared deviations for this distribution? A
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![Distribution: [1,1,4,4,5]
What is the sum of squared deviations for this distribution?
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- Find the z-score that has 60.3% of the distribution's area to its right. The Z-score is (Round to two decimal places as needed.) View an example Get more help - TENA O Clear allInterval Freq 0 - 9 6 10 - 19 12 20 - 29 16 30 - 39 11 40 - 49 5 Calculate the mean and standard deviation for the table of sample data above.Pls help ASAP ASAP.
- Scores obtained by students in an advanced placement test has a symmetric mound shaped (bell shaped) distribution with a mean of 70 and a standard deviation of 10. What is the proportion of students who received between 60 and 80 points. not enough information about 68% about 99.7% about 95%Raw Data: Weights of children admitted in a hospital is given below calculate the standard deviation of weights of children. 13, 15, 12, 19, 10.5, 11.3, 13, 15, 12, 9What happens to the 'mean' of an x-distribution when you standardize the distribution? Z-scores are also known as _______?______ . standard deviations means error ranges
- Range (and Approximation to Standard Deviation) Find the range for each of the following data sets a) (n= 6), M = 2.5 118, 127, 97, 152, 141, 104 b) (n= 10), M = 3 49, 53, 60, 60, 62, 63, 64, 69, 73, 87 c) (n= 28), M = 4 294, 276, 315, 341, 286, 254, 365, 333, 284, 295, 308, 317, 328, 342 251, 284, 295, 302, 319, 327, 372, 351, 274, 314, 335, 287, 291, 353 The standard deviation can be (simply) approximated by the followin simple formula where n varies depending on the size of the data set, as given in the following table. data points divisor n=4 M=2 n=6 M=2.5 n=10 M=3 n=28 M=4 n=50 M=4.5The price (dollars per 1,000 board feet) of Douglas fir from western Washington and Oregon varies according to a triangular distribution T(290, 360, 490). (a) Find the mean. Mean _________ (b) Find the standard deviation. (Round your answer to 2 decimal places.) Standard deviation ____________ (c) What is the probability that the price will exceed 420? (Round your answer to 4 decimal places.) Probability _____________Stats
- high school students across the nation compete in a financial capability challenge each year by taking a National Financial Capability Challenge Exam. Students who score in the top 76 percent are recognized publicly for their achievement by the Department of the Treasury Assuming a normal distribution, how many standard deviations above the mean does a student have to score to be pubicly reconized? (round your answer to 2 decimal places) standard deviationall of dLin the standard ormal distribution the standard deviation has a value of?
