3. A student obtained the following scores in twelve 100-item assignments: 93 91 90 86 86 94 97 90 98 85 95 97 a. What is the standard deviation? 4.57 b. What is the mean standard deviation? 3.83 c. Based on the descriptive measure you obtained in item 1 and in this item what can you say about his scores in assignment?

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A: Given that μ=73.29,σ=8.89 The z-score corresponding to 70.01 is, The z-score corresponding to 78.22…

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Q: 3. A student obtained the following scores in twelve 100-item assignments: 86 94 97 90 98 85 95 97…

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Q: 5- calculate the Standard deviation of the following sub image.* 10 6 10 7 7 4 Your answer 4.

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Q: 4. Compute the average deviation on the data below Test scores X-Х bar Xi 57 60 65 70 78 s0 82 85…

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Q: The data below are the scores of the students in the 45-item statistics exam. 16 22 26 28 29 31 35…

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Q: 3. A student obtained the following scores in twelve 100-item assignments: 93 91 90 86 86 94 97 90…

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Q: 2) Find the standard deviation of the grouped data Ages 51 - 60 41 - 50 3 10 15 31 - 40 21 - 30 11…

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Q: Calculate the standard deviation of the data shown, to two decimal places 6.3 28.2 24.9 23.7 5.7 2.7…

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Q: Calculate the standard deviation of the data shown, to two decimal places 14 10.2 15.8 20.6 6.9 5.9

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Q: Given n=10 measurements: 13, 15, 14, 16, 20, 15, 16, 19, 12, 18 The standard deviation is

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Q: Use the range rule of thumb to approximate the standard deviation. 22, 29, 21, 24, 27, 28, 25, 36 O…

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Q: What is the standard deviation for the data given: 12, 18, 16, 22 Select one: а. 17.33 b. 13 c. VT3

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Q: Suppose you were given the following data for a section of STAT 210 with 126 enrolled students: 63…

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