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Statistics – Unit 1

Posted by on May 31, 2019

Unit 1 Topics, Learning Objectives, and digital note outlines


What are Statistics? link: What are statistics?

  • Learning Objectives
  1. Describe the range of applications of statistics
  2. Identify situations in which statistics can be misleading
  3. Define “statistics”


Importance of Statistics link: Importance of statistics

  • Learning Objectives
  1. Give examples of statistics
  2. Give examples of how statistics can lend credibility to an argument


Descriptive Statistics link: Descriptive Statistics

  • Learning Objectives
  1. Define “descriptive statistics”
  2. Distinguish between descriptive statistics and inferential statistics


Inferential Statistics link: Inferential Statistics

  • Learning Objectives
  1. Distinguish between a sample and a population
  2. Define inferential statistics
  3. Identify biased samples
  4. Distinguish between simple random sampling and stratified sampling
  5. Distinguish between random sampling and random assignment


Variables link: Variables

  • Learning Objectives
  1. Define and distinguish between independent and dependent variables
  2. Define and distinguish between qualitative and quantitative variables
  3. Define and distinguish between discrete and continuous variables


Percentiles link:Percentiles

  • Learning Objectives
  1. Define percentiles
  2. Use three formulas for computing percentiles


Levels of measurement link:Levels of measurement

  • Learning Objectives
  1. Define and distinguish among nominal, ordinal, interval, and ration scales
  2. Identify a scale type
  3. Discuss the type of scale used in psychological measurement
  4. Give examples of errors that can be made by failing to understand the proper use of measurement scales


Distributions link: Distributions

  • Learning Objectives
  1. Define “distribution”
  2. Interpret a frequency distribution
  3. Distinguish between a frequency distribution and a probability distribution
  4. Construct a grouped frequency distribution for a continuous variable
  5. Identify the skew of a distribution
  6. Identify bimodal, leptokkurtic, and platykurtic distributions


Summation Notation link:Summation Notation

  • Learning Objectives
  1. Use summation notation to express the sum of all numbers
  2. Use summation notation to express the sum of a subset of numbers
  3. Use summation notation to express the sum of squares


Logarithms link:

  • Learning Objectives
  1. Compute logs using different bases
  2. Convert between bases
  3. State the relationship between logs and proportional change


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