Quizzes - DATA 320 7380 Introduction to Data Analytics (2242) - UMGC Learning Management System

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University of Maryland Global Campus (UMGC) *

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320

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Statistics

Date

Apr 3, 2024

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pdf

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1

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4/1/24, 2:55 AM Quizzes - DATA 320 7380 Introduction to Data Analytics (2242) - UMGC Learning Management System https://learn.umgc.edu/d2l/lms/quizzing/user/attempt/quiz_start_frame_auto.d2l?ou=929681&isprv=&qi=2071622&cfql=1&dnb=0&fromQB=0&inProgr… 1/1 Question 1 5 / 5 points Outliers found in a dataset: Question 2 5 / 5 points Most statistical procedures: Question 3 5 / 5 points When missing values are found in a dataset: Question 4 5 / 5 points One good way to verify the accuracy of a statistical model is to: Question 5 5 / 5 points All data falls into one of the following four categories: Are seldom a problem and can be ignored. Can seriously compromise statistics and statistical procedures. Can have a large impact on the value of the median. Should always be removed. Do not care how the data is distributed Cannot be used if the data is not normally distributed Often assume the data is normally distributed They should always be removed from the dataset. They are frequently just random little data glitches. Can be an annoying problem for analyses. Randomly split your data into two files Overfit the model Underfit the model Examine the residuals Text, video, numbers, sound. Numbers, audio, words, movies. Nominal, ordinal, interval, ratio. Current, historical, time series, text.
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