Topic Index

Calculators

  1. Interquartile range calculator (IQR)
  2. Permutations and combinations calculator
  3. Variance and standard deviations calculator
  4. Binomial Distribution Calculator

Tables

  1. Z-table
  2. Binomial Distribution Table
  3. T-Distribution table
  4. Chi Square Distribution Table
  5. F-Table
  6. Pearson Product-Moment Correlation (PPMC) Coefficient Table

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Descriptive Statistics: The Basics

  1. How to find the mean, mode, and median
  2. How to classify a variable as discrete or continuous
  3. How to classify a variable as quantitative or qualitative (eHow)
  4. How to make a frequency chart and determine frequency (eHow)
  5. How to read a box plot and find the five number summary including q1 and q2
  6. How to find a five number summary
  7. How to find an interquartile range
  8. How to find an interquartile range on a boxplot
  9. How to find sample variance and standard deviation
  10. How to draw a cumulative frequency distribution table
  11. What is a ! factorial ! ?

Probability

  1. How to construct a probability distribution
  2. Probability of selecting a person from a group or committee
  3. How to find the probability of an event NOT happening
  4. How to solve a question about probability frequency distribution
  5. How to find the probability of a simple event happening
  6. How to find the probability of randomly picking a certain number of items given a percentage
  7. How to find the probability of group members choosing the same thing
  8. How to find the probability of two dependent events occurring together
  9. How to find the probability of an event occurring, given another event
  10. How to use a probability tree (decision tree) to calculate odds
  11. How to find the probability of drawing a card from a deck
  12. How to figure out if something is a mutually exclusive event
  13. How to tell the difference between dependent and independent events
  14. Probability: dice rolling

Binomial Probability Distributions

  1. How to determine if something is a binomial experiment
  2. How to find the mean for a binomial probability distribution
  3. Finding the expected value
  4. Finding the standard deviation for a binomial distribution
  5. How to solve a binomial distribution problem using the binomial formula
  6. How to work a binomial distribution formula
  7. How to use the binomial distribution calculator
  8. How to read a binomial distribution table
  9. What is the continuity correction factor?
  10. Using a normal approximation to solve a binomial problem

Critical values and z-tables (also see Hypothesis Testing below)

  1. How do I find a critical value?
  2. How do I find the area under a normal distribution curve?
  3. Normal distribution Word Problem Index  (dealing with a tricky word problem? Click here for an index to the six major types).
  4. Hypothesis testing: How to find a critical value for a two-tailed test (EHow)
  5. Hypothesis testing: How to find a critical value for a right tailed test.
  6. Hypothesis testing: How to find a critical value for a left tailed test.

Central Limit Theorem

  1. Central Limit Theorem Problem Index
  2. What is the continuity correction factor?
  3. Using a normal approximation to solve a binomial problem

Confidence Interval (CI)

  1. How to Determine a Sample Size Given a CI and Width (Unknown Standard Deviation)
  2. How to Determine a Sample Size Given a CI and Width (Known Standard Deviation)
  3. How to Find a Confidence Interval (Population)
  4. How to Find a Confidence Interval (Sample)
  5. How to Find a Confidence Interval  (List of Data)
  6. How to find a Confidence Interval (Two Populations, proportion)

Hypothesis Testing

  1. How to decide if a hypothesis test is a one tailed test or a two tailed test
  2. How to decide if a hypothesis is a left-tailed test or a right-tailed test
  3. How to state the null hypothesis in statistics (Part One)
  4. How to state the null hypothesis in statistics (Part Two)
  5. How to find a critical value for a two-tailed test (EHow)
  6. How to find a critical value for a right tailed test.
  7. How to find a critical value for a left tailed test.
  8. How to support or reject a null hypothesis
  9. How to support or reject a null hypothesis (P-Value method)
  10. How to support or reject a null hypothesis (for a proportion)
  11. How to support or reject a null hypothesis (for a proportion/P-Value method).

Linear Regression

  1. How to construct a scatter plot
  2. How to calculate Pearson’s Correlation Coefficients
  3. How to compute a linear regression test value
  4. How to find the coefficient of determination
  5. How to find a linear regression equation.
  6. How to find a linear regression slope.

Chi-square tests

  1. How to find a chi square (right tailed test)
  2. How to find a chi square (left tailed test)
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