Summary: Emba: Data And Decisions
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1 ONEVARIABLE STATISTICS
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1.1 Chapter 1: Measuring the Center
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True or False. Outliers have values that are significantly higher or lower than the other numbers in a data set.
True 
1.1.1 Measuring Central Tendency: Mean, Median, and Mode
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True or False. Median is the "middle" of the set. If there is an even number, get the median of both the middle numbers.
True 
What is bimodal and multimodal?
Bimodal is 2 modes, and multimodal is 3 modes or more, in a set. 
True or False. If outliers present Median better represents the center of the data than the mean.
True 
1.1.2 Standard Deviation
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True or false. Standard deviation can be considered before and after the mean value i.e. Mean of 50u and standard deviation of 20u, it is between 30 and 70u.
True 
True or false. The standard deviation gives a rough idea of where most of the data in a set falls in relation to the mean.
True 
True or False. If we want to know how the data values vary from the mean, we need to find the standard deviation.
True 
1.1.3 Five Number Summary
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True or false. The five number summary not only describes the center of a data set, but also how it spreads out from the median.
True 
What is the 1st step in computing the fivenumber summary?
Arrange the data in numerical order 
True or False. We need to ignore the median of the entire data set when identifying medians of the lower and upper halves.
True
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Topics related to Summary: Emba: Data And Decisions

ONEVARIABLE STATISTICS  Measuring the Center

PROBABILITY FUNDAMENTALS  Symbols, Rules, and Laws

PROBABILITY DISTRIBUTIONS  PROBABILITY DISTRIBUTIONS, THE BASICS  Shapes and Calculations

PROBABILITY DISTRIBUTIONS  Binominal, Poisson, and Normal Distributions  Poisson Distributions

PROBABILITY DISTRIBUTIONS  Binominal, Poisson, and Normal Distributions  Introduction to Normal Distributions

TWOVARIABLE STATISTICS  Correlation  Causation

REGRESSION ANALYSIS  REGRESSION THEORY

DATA COLLECTION  STATISTICAL SAMPLING

STATISTICAL INFERENCE: MAKING DATADRIVEN DECISIONS