A. Multiple Choice. Choose the letter of the best answer. _1. Which of the following is not a measure of central tendency? C. range a. median b. mean d. mode 2. The mean of a set of observations is their divided by the number of observations. a. difference b. sum c. product d. division enables us to calculate an average that takes into account the importance of each value, to the overall total. b. weighted mean of a distribution is/are the value of the variable that divides it into two equal parts. a. arithmetic mean c. mode d. median 4. c. median b. percentiles 5. After data are arranged in an ordered sequence, a. quartile d. deciles divide/divides it into four equal parts. a. median b. deciles c. percentiles d. quartiles _6. In a data series, when values of the observations are arranged in an ordered sequence, divide/divides the data in ten equal parts. a. quartiles c. deciles b. percentiles divide/divides the data in one hundred equal parts. b. percentiles d. median 7. a. median c. quartiles d. deciles _8. Suppose that to make the golf team you need to score no more than 73 on average over 5 games. If you scored 75, 75, 75, and 66 in your first 4 games what is the highest score you can shoot in your 5th game and still make the team? а. 75 b. 74 c. 72 d. 76 _9. The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit? а. 1 10. Which of the following measures can have more than one value for a set of data? b. 11 с. 23 d. 12 a. median b. mode C. mean d. none of these
Family of Curves
A family of curves is a group of curves that are each described by a parametrization in which one or more variables are parameters. In general, the parameters have more complexity on the assembly of the curve than an ordinary linear transformation. These families appear commonly in the solution of differential equations. When a constant of integration is added, it is normally modified algebraically until it no longer replicates a plain linear transformation. The order of a differential equation depends on how many uncertain variables appear in the corresponding curve. The order of the differential equation acquired is two if two unknown variables exist in an equation belonging to this family.
XZ Plane
In order to understand XZ plane, it's helpful to understand two-dimensional and three-dimensional spaces. To plot a point on a plane, two numbers are needed, and these two numbers in the plane can be represented as an ordered pair (a,b) where a and b are real numbers and a is the horizontal coordinate and b is the vertical coordinate. This type of plane is called two-dimensional and it contains two perpendicular axes, the horizontal axis, and the vertical axis.
Euclidean Geometry
Geometry is the branch of mathematics that deals with flat surfaces like lines, angles, points, two-dimensional figures, etc. In Euclidean geometry, one studies the geometrical shapes that rely on different theorems and axioms. This (pure mathematics) geometry was introduced by the Greek mathematician Euclid, and that is why it is called Euclidean geometry. Euclid explained this in his book named 'elements'. Euclid's method in Euclidean geometry involves handling a small group of innately captivate axioms and incorporating many of these other propositions. The elements written by Euclid are the fundamentals for the study of geometry from a modern mathematical perspective. Elements comprise Euclidean theories, postulates, axioms, construction, and mathematical proofs of propositions.
Lines and Angles
In a two-dimensional plane, a line is simply a figure that joins two points. Usually, lines are used for presenting objects that are straight in shape and have minimal depth or width.
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