STRAIGHTERLINE INTRODUCTION TO STATISTICS|COMPLETE STUDY GUIDE WITH HIGH YIELD QUESTIONS AND 100% RIGHT/AUTHENTIC ANSWERS|ALREADY GRADED A |LATEST VERSION 2025

Four steps in the process of statistics - CORRECT ANSWERS.️️1. Producing Data 2. Exploratory Data Analysis 3. Probability 4. Inference Categorical variable - CORRECT ANSWERS.️️places individuals into one of several groups Two types: nominal and ordinal Quantitative Variable - CORRECT ANSWERS.️️represents a measurement or a count Two types: Interval and ratio Nominal Variable - CORRECT ANSWERS.️️categorical variables where there is no natural order among the categories Ordinal variable - CORRECT ANSWERS.️️categorical variables where there is natural order among the categories Interval Variable - CORRECT ANSWERS.️️a measurement or count for which it makes sense to talk about the difference between values, but it does not make sense to talk about the ratio between values; 0 does not represent the absence of quanitity Ratio Variable - CORRECT ANSWERS.️️quantitative variables for which it makes sense to talk about the difference between values AND the ratio between values; 0 represents the absence of quantity What type of variable?: eye color - CORRECT ANSWERS.️️nominal What type of variable?: socioeconomic status with categories low, med, high - CORRECT ANSWERS.️️Ordinal What type of variable?: Temperature - CORRECT ANSWERS.️️Interval What type of variable?: Income - CORRECT ANSWERS.️️Ratio Visual display and numerical summary for a single categorical variable - CORRECT ANSWERS.️️pie chart or bar chart and category percentages Visual display and numerical summary for a single quantitative variable - CORRECT ANSWERS.️️histogram or stemplot and descriptive statistics Visual display and numerical summary for C->C - CORRECT ANSWERS.️️Two way table and conditional percentages Visual display and numerical summary for C->Q - CORRECT ANSWERS.️️Side by side box plots and descriptive statistics