Boxplots Study guides, Class notes & Summaries

C955 wrap before oa question with complete solution 2023 already passedJust categorical - correct answer pie chart ( part of a whole ) or bar chart just quantitative - correct answer histogram ( for intervals) stem plot ( for exact values ) or boxplot or dot plot ( less common) categorical > categorical - correct answer contingency - (two way) table to create conditional percentages Quantitative > Quantitative - correct answer scatterplot and use correlation coefficient categor...

quantitative data - Answer Quantitative data consists of data values that are numbers, representing quantities that can be counted or measured. The Empirical Rule - Answer According to The Empirical Rule, approximately 68% of the data points in a dataset will be within 1 standard deviation of the mean. 95% of all values are within 2 standard deviations of the mean. Normal distribution - Answer In a normal distribution data is symmetrical, so the mean, median, and mode are all equal. mea...

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

1. Comment on the study design. In particular, is this an observational study or experimental study? What kind of inference or interpretation can you make? Is it possible to establish a causal link between the speed limit increases and the change in interstate traffic fatalities using this data? What is the population of interest? Can the findings be generalized to this population? This is an observational study as the data has been collected from previous study and the researcher has had ...

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 analyzing the relationship between variables. Least-Squares Regression Line - AKA the line of best fit. y = mx + b "rise over run" Interpolation - Using existing data along with the Least-Squares Re...

Business Analytics Chapter 3 All Answers Correct graph for a quantitative variable ️histogram since there are no categories in a histogram, we usually slice up all of the possible values into_____ and then count the number of cases that fall in each of these ️bins like histograms, but they also give individual values ️stem-and leaf displays what are the 2 steps in making a stem-and-leaf display? ️1. use the first digit of a number (called the stem) to name the bins. The stem ...

Covers 9 chapters of Statistics content from the MATH 2020 course at NSU. goes into depth topics of probability, graphs, measure of center, binomial probability distribution, normal distribution, hypothesis and claim testing.

WGU Statistics Questions and Answers Already Passed 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 probability that it does occur. P(not A) = 1 - P(A) In probability, "OR" means either one or the other or both. P(A or B) = P(event A occurs or event B occurs...

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

CHAPTER 3 MEASUREMENTS, MISTAKES, AND MISUNDERSTANDINGS SECTION 3.1 SIMPLE MEASURES DON’T EXIST FREE RESPONSE QUESTIONS 1. Explain why even the simplest kind of measurement, such as finding your height, still presents complicated issues. ANSWER: ANY REASONABLE ANSWER OK. EXAMPLES: THE ACCURACY OF YOUR MEASUREMENT DEPENDS ON YOUR MEASUREMENT TOOL; HOW TALL YOU STAND WHEN YOU MEASURE; WHETHER OR NOT YOU WEAR SHOES, ETC. 2. Describe one of the issues that you would need to think about when...