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Which of the following is true of the correlation $r$? Correlation changes when the explanatory and response variables are switched. A correlation of $+1$ or $-1$ can only happen if there is a perfect straight-line relationship between two quantitative variables. Correlation is $0$ only when there is no association between the variables. It cannot be greater than $1$ or less than $-1$. It measures the strength of the straight-line relationship between two quantitative variables.

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16. What will be the output of the following program? Show the workings. public class Tracing1 { public static void main(String[] args) { int num1 = 10; int num2 = -3; int num3 = -1; int sum = num1 + num2 + num3; if (num3 < 0) { System.out.println(num3 * (-2)); } else { System.out.println(sum); } if (num1 < 5) { System.out.println(num1 + 10); } else if (num2 == -3) { num2 = num1; System.out.println(num2); } else { System.out.println(num1 + num2 + num3); } if (num1 > 15) { System.out.println(num1); } if (num2 == 0) { System.out.println(num2 + num3); } else { System.out.println(num3); } if (sum != 0) { System.out.println(100); } else { System.out.println(sum + 100); } if (num1 > 0 && num2 < 0) { System.out.println(num1 == num2); } else { System.out.println("End"); } } }

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Ottawa Corporation owns machinery that cost $20,000 when purchased on July 1, 2021. Depreciation has been recorded at a rate of $2,400 per year, resulting in a balance in accumulated depreciation of $8,400 at December 31, 2025. The machinery is sold on September 1, 2026, for $10,500. Prepare journal entries to (a) update depreciation for 2026 and (b) record the sale. Machinem $20,000 Depreuation Rate $ 2, 400 per year Accumulated depreuation $ 8, 400 sale Price $ 10,500 Deprecation expense $ 1,600 Accumulated de priuation maninm $1,600 $2,400X/8/12) = $1,600 Cash 410,500 Accumulated depreciation $10,000 machinm gain on machnry gain on sale of こ sau vulve $26,000 $500 Camrying valve macniny $10,500-(20,000-10,000) = $500 BE9.17 Use the information presented for Ottawa Corporation in BE9.16, but assume the machinery is sold on March 31, for $5,200 instead of $10,500. Prepare journal entries to (a) update depreciation for 2026 and (b) record the sale.

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Using the linkage parameters below, answer the following for a crank-slider in open position: • Link 2: 1.5 • Link 3: 6 • Offset: 2 • $\theta_2$: 45 degrees • $\omega_2$: 10 rad/s • $\alpha_2$: 0 rad/s$^2$ The value of $\theta_3$ is ______ degrees. The value of d is ______ in. The value of $\omega_3$ is ______ rad/s. The value of $\ddot{d}$ is ______ in/s. The value of $\alpha_3$ is ______ rad/s$^2$. The value of $\ddot{d}$ is ______ in/s$^2$. The placement of the slider block relative to O$_2$ is: ? Above to the right ? Below to the left ? Below to the right ? Above to the left

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Interactions between living organisms in an ecosystem are called: Question 2 options: niche partitioning ecologic interactions commensal interactivity. biotic interactions

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At what point does the embryo switch between maternal and zygotic control?What does this point of zygotic genome activation rely on ?How is cell fate determined by gene expression? Some examples?

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According to Adler, what was the primary motivating force behind the development of personality? Striving for superiority Unconscious conflicts Interpersonal conflicts Identity crises

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3) Which is more reactive and why? CH$_3$ H H CH$_2$CH$_3$ CH$_3$ H CH$_2$CH$_3$ H

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Choose the reaction that illustrates ?H° for Fe(NO3)2. Fe(s) + N2(g) + 3 O2(g) ? Fe(NO3)2(s) Fe2+(aq) + 2 NO3-(aq) ? Fe(NO3)2(aq) Fe(s) + 2 N(g) + 6 O(g) ? Fe(NO3)2(s) Fe(NO3)2(s) ? Fe(s) + N2(g) + 6 O2(g) Fe(NO3)2(aq) ? Fe2+(aq) + 2 NO3-(aq)

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If a space load is 250,000 Btuh and is to be maintained at 76°F, 50% RH and the leaving air from the unit is 57°F db/ 54°F wb and there are 250 people with a ventilation air flow of 4250 CFM, what is the space air flow requirements?

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jessica d.