Study guides, Class notes & Summaries

WGU Academy Statistics Which of the following is true regarding a probability of an event P(A)? - ANS 0≤P(A)≤1 The probability of an event can any number between 0 and 1, including 0 and 1. In other words, the probability of an event cannot be more than 1 or less than 0. Which of the following represents the probability of an event that is more likely not to occur than it is to occur, but would not be unusual for it to occur? - ANS 0.32 1250 randomly chosen in...

wgu stats module 7- probability exam questions and answers Examples of Quantitative and Qualitative Probability - Answer- Qualitative Description= impossible Quantitative Probability = 0% probability Qualitative Description= Unlikely Quantitative Probability = 1% to 30% probability Qualitative Description= As likely as unlikely Quantitative Probability = 40-60% Qualitative Description= likely Quantitative Probability = 70-99% Qualitative Description= certain Quantitative Probability ...

WGU Statistics Test 100% Solved 2024 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 returned randomly to the deck before the next card is drawn. This process of drawing 13 random cards is repeated a total of 20 times, and the mean and standard devi...

WGU - Applied Healthcare Statistics Exam Questions and Answers 100% pass Rational numbers - Answer- Largest number system Rational numbers - Answer- Can be expressed as a fraction. 4 = 4/1. Also decimals that end or continue forever repeating. Real numbers - Answer- Any number; Include zero, negative and positive integers. Real numbers are considered this. - Answer- continuous and can be measured. Discrete data - Answer- counted; doesn't allow for values between. Every positive whole nu...

Statistics Pre-ASSESSMENT Exam Questions and Answers 100% pass A study was conducted to see if gender influences the number of alcoholic beverages consumed per day. Which type of classification is this? - Answer- Categorical, categorical (Categorical, quantitative) Quantitative, categorical Quantitative, quantitative Given the following set of numbers: 25, 2.5, -2, and -1 what is the product of the integers? 250 50 100 -2 - Answer- Given the following set of numbers: 25, 2.5, -2,...

module 3- stats wgu exam questions and answers 100% pass elementary operations - Answer- addition subtraction multiplication division constants - Answer- a number with a fixed value all real numbers arithmetic expression - Answer- a string of numbers connected by elementary operations 4 + 2 + 5 - 8 4,2,5,8= constants +, +, -= operations anything with a letter is - Answer- not a constant variable - Answer- X symbol that represents or holds the place of a numeric value coefficients...

pre assessment statistics exam questions and answers Given the following set of numbers: 25, 2.5, -2, and -1 what is the product of the integers? 250 50 100 -2 - Answer- Given the following set of numbers: 64, 5.5, -4, -1.5 what are the square roots of the whole numbers? +/- 2 +/-4 +/-32 +/28 - Answer- Given the following expression: 5x(30-27)^2 + 4 What is the correct answer using the proper order of operations? 49 81 65 34 - Answer- 49 Given the following expression: 12...

WGU statistics Exam Questions and Answers 100% Pass The probability of any event is between one and o. What is the equation for this? - Answer- For any event A, 0 ≤ P(A) ≤ 1. The sum of all possible probabilities is___? - Answer- 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 probability that it does occur. - Answer- P(not A) = 1 - P(A) In probability, "OR" means either one or the other or both. - Answer- P(...

Statistics final wgu academy exam questions and answers Categorical variables that there is no natural order among the categories - Answer- nominal variables Categorical variables where there is natural order among the categories (low-high) - Answer- ordinal variable A measurement which makes sense to talk about the difference between values but not the ratio between values - Answer- interval Quantitive variables where is makes sense to talk about the difference in ratios. (Income, weig...