A class of 18 students took a test with 100 points. The standard deviation of the data is 18. Select the sentence that is the incorrect interpretation of the standard deviation within the context of this problem. The range of the middle 50% of test scores is 18 units The middle 68% of test scores fall between 50 and 86 points. Majority of the test scores fall within 18 points of the mean of 68 points.

Q: question 19

A: a)The two methods to test the difference in mean are: z-test t-test

Q: Question 26

A: We have given a graph which represent the derivative f' of some function f. we have to draw the…

Q: question 32

A: (32)   (a)   State the hypotheses. That is, the average activating temperature is at least 135 F.…

Q: Question 7

A: 7) (a) The given parametric equations are  x=t+2 and y=t2-1 and t∈-3, 3. Sketch the graph of the…

Q: 2

A: The Laplace inverse can be found by splitting the expression into three parts as it have power of 3…

Q: Given the parent function f(x) = 2, which graph shows f(x) + 1? -5 -4 -3 -2 2 3 4 2 -5 3 4 2.

A: Given :   f(x)=2x

Q: Question attached

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Q: 13) De termine the surface area of the spiral ramp parametrized by = u cosQu) i + usin(2v)5 +vk with…

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Q: Assignn

A: We can solve this using truth table

Q: Question 9

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Q: Question 51

A: SOLUTION-

Q: 3 xp- 3.

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Q: %3D 2. 416

A: See the details solution in below

Q: Question attached

A: Hello. Since your question has multiple parts, we will solve the integration by first six part for…

Q: Given sec 8= 190 √6 3 what is cos?

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Q: Question 12 32K

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Q: Question 11

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Q: iv. Un 32n

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