Statistics

Statistics 100 Final Review Questions With Complete Solutions We record the zip codes of newly admitted students. How should we treat this data? correct answer: As categorical data We record the wavelengths of light reflecting off of several bird-of-paradise feathers. How should we treat this data? correct answer: as numeric data We record the genus of every tree identified along a transect. How should we treat this data? correct answer: as categorical data The height of bars in a h...

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 ...

STATISTICS STUDY GUIDE -LATEST 1. A frequency distribution is a tabular summary of data showing the a. fraction of items in several classes b. percentage of items in several classes c. relative percentage of items in several classes d. number of items in several classes 2. A frequency distribution is a. a tabular summary of a set of data showing the relative frequency b. a graphical form of representing data c. a tabular summary of a set of data showing the frequency of items in each o...

STAT 200 FINAL EXAM 2020 Answer all 25 questions. Make sure your answers are as complete as possible. Show all of your work and reasoning. In particular, when there are calculations involved, you must show how you come up with your answers with critical work and/or necessary tables. Answers that come straight from programs or software packages will not be accepted. If you need to use software (for example, Excel) and /or online or hand-held calculators to aid in your calculation, please cite t...