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Q: Final Grade Teacher 1.0 1.25 1.75 Teacher A 20 45 35 Teacher B 75 Teacher C 8 5

A: chi square value calculation

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Q: Copies Seconds Time B Time Copies Copies (seconds) (seconds) 4 4. 6. 4 C Time D Time Copies Copies…

A: From the given diagram we see that in 1 second the machine makes 2 copies.

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Q: Answer parts  D, E & F

A: (d) From t table at 17 degrees of freedom, the area to the right of 1.740 is 0.050.…

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A: Each regression line has only one dependent variable. But the number of independent variable on the…

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Q: a. Source SS df MS F Model 34.21 Error Total 66.12 54 b. Source SS df MS Model 6.03 Error 16 Total…

A: We want to complete the ANOVA Tables for simple linear model. There is only one independent variable…

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A: Let the amount of salt at any time t is given by y kg. The amount of salt present in the tank…

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Q: Find E, 28 + 12(k – 2). uk%3D1 7,392 2,800 2,342 3,696 1,848 а. b. C. d. е.

A: Consider ∑k=12428+12(k-2) = ∑k=12428+∑k=12412(k-2)= 28∑k=1241+12∑k=124(k-2)=…

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A: Given data: The grades and gender of a group of students regarding to test is tabulated. Total…

Q: 8. 7. 9. 5. 4. 3 23 24 IIO = W7 NL = 33 KM = 52 Find LM, given:

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Q: A= em 4cm 3 cm A. 21.5 em B. 50 cm C. 78.5 em D. 100 cm Scm 4 cm 8 cm 4. cm2 10 cm A. 12.5 cm B. 15…

A: Area of shaded region = area of whole shape - area of non shaded region

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A: Given that  Sample size n =30 Sample mean =40.6 Population standard deviation =7.7

Q: 4) 8 mi A) 216.5 mi C) 248.9 mi B) 201.1 mi D) 50.3 mi

A: Explanation and solutions is given below....

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Q: 3. What is the area of major sector DFE? E F 7.3 cm 285° 132.54 square cm 133.94 square cm 157.86…

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A: Both figures are of pyramids but with different base cross-section shape. Figure (2) has pentagon…

Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.