Iqr - Study guides, Class notes & Summaries

Stats Part 2 Test with Complete Solutions The box plots below show the distribution of grades in one class on two tests. Which measures of center and variability would be best to use when making comparisons of the two data sets? - Answer-mean and MAD Takiya recorded the heights of two sets of plants, one set planted in the shade and one set planted in full sun. Her data are shown in the plots below.Which best explains the variability of the sets? - Answer-The full sun plants set has greate...

WGU C955 Applied Probability and Statistics Final Exam (New 2023/ 2024 Update) Questions and Verified Answers_ 100% Correct_ Graded A QUESTION what are the four graphical displays for quantitative data? Answer: dot plot, stem plot( or steam and leaf plot), box plot, and histogram QUESTION best to display the distribution of data, particularly clusters, gaps, and outliers. Most useful for smaller data sets Answer: dot plot QUESTION best to display the distr...

AP Stat - Chapters 1-4 - Multiple Choice - Cumulative Testthe following histogram represents the distribution of acceptance rates (% accepted) among 25 business schools in 1997, what % of schools have an acceptance rate above 40% - correct answer know how to read a histogram (variable vs. freq, fraction -> %) you want to use numerical summaries to describe a distribution that is strongly skewed to the left, which combination of measure of center and spread would be the best to use (mean an...

Knew ton Alta - Chapter 2 - Descriptive Statistics Part 2 Questions and Answers Latest Updated Find the mode of the following amounts (in thousands of dollars) in checking accounts of randomly selected people aged 20-25. 2,4,4,7,2,9,9,2,4,4,11 If we count the number of times each value appears in the list, we get the following frequency table: Note that 4 occurs 4 times, which is the greatest frequency, so 4 is the mode of the amounts (in thousands of dollars) in checking accounts of rando...

Of the following dotplots, which represents the set of data that has the greatest standard deviation? : B split in half A random sample of 374 United States pennies was collected, and the age of each penny was determined. According to the boxplot below, what is the approximate interquartile range (IQR) of the ages? graph A 8 B 10 C 16 2 | P a g e D 40 E 50 : C 16 graph The histogram above shows the number of minutes needed by 45 students to finish playing a computer ga...

AFOQT Study Guide Questions with Correct Answers Types of analogies - Answer-synonym, antonym, action, function, size, degree, amount, part to whole, member to group, units of measurement, mathematical Types of numbers - Answer-natural: greater than 0 and has no decimal or fraction Whole: natural numbers and 0 Integer: positive/negative numbers and 0 Rational: can be represented as fraction or decimal , must terminate or resolve into repeating pattern Irrational: cannot be represented...

Volume of a cone correct answersV=(1/3)πr²h Area of a triangle correct answersA=(1/2)bh Area of a circle correct answersA=πr² Volume of a regular prism correct answersV=lwh Volume of a cube correct answersV=s³ Volume of a sphere correct answersV=(4/3)πr³ Volume of cynlinder correct answersV=πr²h Outlier correct answers1.5 x IQR above or below upper or lower bound Z-score correct answersz = (x - mean) / standard deviation Area of a trapezoid correct answersA=1/...

WGU C955 PROBABILITY AND STATISTICS EXAM / 50 QUESTIONS AND 100% CORRECT ANSWERS LATEST GUIDE 2024. 2 / 6 1. Boxplot: an image that has min, Q1, median, Q3, max 2. Histogram: A graphical representation -- bars, measuring the frequency within each interval 3. Skewed right: Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right 4. Measures of center: Median, the mean (and mode) 5. Measures of spread: Range, IQR & standard deviation 6. Standard Deviation Rul...

AP Statistics Exam Review - Concepts & Vocabulary Correctly Answered 2024. Interpret Standard Deviation - correct answer Standard deviation measures spread by giving the "typical" or "average" distance that the observations (CONTEXT) are away from their (CONTEXT) mean Outlier Rule - correct answer Linear Transformations - correct answer Describe the Distributions OR Compare the Distributions - correct answer SOCS! Shape, Outlier, Center, Spread Only discuss outlires if there ar...

WGU C955 - Module 4: Descriptive Statistics for a Single Variable, Top Exam Questions and answers, graded A+ If 200 people are surveyed, how many claim to have had no exercise? {{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} a 18 b 36 c 72 d Cannot determine - -72 Determine the range for the following data set. {1,24,26,28,32,36...