A professor is interested in assessing the efficacy of a new tutoring service offered by their university. The professor compared whether the test results of 10 students differed before and after enrolling in the service. Calculate the appropriate statistical test at α=.05, based on the data below and interpret the results. Test 1 Student 1 63 Student 2 59 Student 3 70 Student 4 56 Student 5 72 Student 6 74 Student 7 74 Student 8 73 Student 9 62 Student 10 64 Test 2 67 65 75 68 79 70 84 65 76 66

Q: prove the following generalization of the variance fomula varla X + by] =a² var[X] + b²var[Y] +…

A: E(aX+bY)=E(aX)+E(bY)=aE(X)+bE(Y) This we know

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Q: sum apt Variable apt Obs 200 Mean 640.035 Std. dev. 99.21903 Min 352 Max 800

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Q: Suppose that X is a (A=e-100, p = 3e-100)-BCP. What is P(X(1)X(2)X(3) = 4)? 22 The sit

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Q: can you redo step 4 without coding it?

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Q: Calculate and interpret the standard deviation of T

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Q: 214.26 356.79 424.96 231.51 353.89 552.75 281.93 303.66 518.15 234.62 336.36 514.07 246.55 341.26…

A: * SOLUTION :-  The given information is  214.26 356.79 424.96 231.51 353.89 552.75 281.93 303.66…

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