WGU C784 Questions and Correct Answers Test Bundle

Lurking Variable - Associated with the explanatory and the response variables that is not directly being studied. Simpson's Paradox - Occurs when a trend or result that appears in groups of data disappears when we combine the data. Regression Analysis - A process for estimating and a...

In a standard 52-card deck, where each card is assigned a numeric value, the mean of the 52 cards is 7.0 with a standard deviation of 3.742. To test if a representative sample can be attained, the deck is shuffled and 13 cards are randomly drawn, one at a time. Each card is recorded and then returne...

The probability of any event is between one and o. What is the equation for this? - For any event A, 0 ≤ P(A) ≤ 1. The sum of all possible probabilities is___? - One, the equation is :P(S) = 1 What is the complement rule? or the probability that an event does not occur is 1 minus the...

Rational numbers - Largest number system Rational numbers - Can be expressed as a fraction. 4 = 4/1. Also decimals that end or continue forever repeating. Real numbers - Any number; Include zero, negative and positive integers. Real numbers are considered this. - continuous and ...

A study was conducted to see if gender influences the number of alcoholic beverages consumed per day. Which type of classification is this? - Categorical, categorical (Categorical, quantitative) Quantitative, categorical Quantitative, quantitative Given the following set of numbers: ...

elementary operations - addition subtraction multiplication division constants - a number with a fixed value all real numbers arithmetic expression - a string of numbers connected by elementary operations 4 + 2 + 5 - 8 4,2,5,8= constants +, +, -= operations anything with a l...

Examples of Quantitative and Qualitative Probability - Qualitative Description= impossible Quantitative Probability = 0% probability Qualitative Description= Unlikely Quantitative Probability = 1% to 30% probability Qualitative Description= As likely as unlikely Quantitative Probability...

Whole Number - "whole" numbers are numbers whose values are "whole," such as 1 or 2. Whole numbers only not negative not decimal not fraction Integers - Integers like whole numbers, are numerical figures that do not contain a fractional or decimal component. positive number* o...

Rational number (aka 'fractional') Numbers that can be expressed as a fraction Integers Solid positive and negative numbers Real Numbers A real number is any number that can be placed on the number line, whether that be negative or positive, fraction or decimal. True or False? An...

When one variable causes change in another, we call the first variable the ___________________ variable*. The affected variable is called the _______________ variable*. When one variable causes change in another, we call the first variable the explanatory variable*. The affected variable is c...

rational number - A number that can be written as a ratio of integers, which means it can be written as a fraction. product - The result of multiplying values. whole number - A number whose value is 0 or greater and can be represented without a fractional or a decimal component. id...