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# Solutions for Chapter 13.2: Measures of Center and Spread

## Full solutions for Precalculus | 1st Edition

ISBN: 9780030416477

Solutions for Chapter 13.2: Measures of Center and Spread

Solutions for Chapter 13.2
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##### ISBN: 9780030416477

Since 57 problems in chapter 13.2: Measures of Center and Spread have been answered, more than 26034 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 1. Precalculus was written by and is associated to the ISBN: 9780030416477. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 13.2: Measures of Center and Spread includes 57 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Composition of functions

(f ? g) (x) = f (g(x))

• Constant term

See Polynomial function

• Determinant

A number that is associated with a square matrix

• Double-angle identity

An identity involving a trigonometric function of 2u

• Exponential form

An equation written with exponents instead of logarithms.

• Geometric sequence

A sequence {an}in which an = an-1.r for every positive integer n ? 2. The nonzero number r is called the common ratio.

• Leaf

The final digit of a number in a stemplot.

• Main diagonal

The diagonal from the top left to the bottom right of a square matrix

• nth power of a

The number with n factors of a , where n is the exponent and a is the base.

• Opens upward or downward

A parabola y = ax 2 + bx + c opens upward if a > 0 and opens downward if a < 0.

• Outcomes

The various possible results of an experiment.

• Positive angle

Angle generated by a counterclockwise rotation.

• Projectile motion

The movement of an object that is subject only to the force of gravity

• Range screen

See Viewing window.

• Repeated zeros

Zeros of multiplicity ? 2 (see Multiplicity).

• Speed

The magnitude of the velocity vector, given by distance/time.

• Triangular number

A number that is a sum of the arithmetic series 1 + 2 + 3 + ... + n for some natural number n.

• Variable (in statistics)

A characteristic of individuals that is being identified or measured.

• Variance

The square of the standard deviation.

• Zero factorial

See n factorial.

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