Stats4Everyone
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6:29
Why the constant is squared when finding the Variance of aX. Proof that Var(aX)=a^2Var(X)
Stats4Everyone
317 views • 3 months ago
11:07
Solve rational inequality by factoring and using test points
Stats4Everyone
82 views • 6 months ago
9:36
Using Z (Standard Normal) Table to find the Percentiles for X and a Sample Mean, X-bar (using CLT)
Stats4Everyone
85 views • 6 months ago
6:14
Why is X non-random in Linear Regression? What does it mean for X to not be random?
Stats4Everyone
710 views • 11 months ago
6:36
Proof that the Sum (xi - xbar)xi = Sum (xi - xbar) * (xi - xbar) = Sxx
Stats4Everyone
2.4K views • 11 months ago
3:11
Proof that the Sum of (xi - xbar) = 0
Stats4Everyone
3.3K views • 11 months ago
13:38
Deriving the Binomial canonical link function, logit, for Generalized Linear Model (GLM)
Stats4Everyone
1.5K views • 11 months ago
9:30
GLM Link Function, and Canonical Links
Stats4Everyone
2.4K views • 11 months ago
5:35
GLM Exponential Family, Example with Poisson distribution finding functions a, b, and c
Stats4Everyone
1.5K views • 11 months ago
14:48
GLM Exponential Family, Prove that Var(Y) = b''(theta)*a(phi)
Stats4Everyone
837 views • 11 months ago
8:22
GLM Exponential Family, Prove that the mean is the first derivative of b, E(Y) = mu = b'(theta)
Stats4Everyone
1.2K views • 11 months ago
10:55
GLM Exponential Family, Example with Normal distribution finding functions a, b, and c
Stats4Everyone
3.3K views • 11 months ago
8:42
Simple linear regression, Variance of a residual, Yi and Yhat independence. Plus or Minus sign?
Stats4Everyone
1.6K views • 11 months ago
16:38
Deriving Confidence Interval vs Deriving Prediction Interval
Stats4Everyone
754 views • 11 months ago
20:25
Proof for the Probability of a Union of Three Events
Stats4Everyone
2.5K views • 1 year ago
5:38
Show that A∩(BUC) = (A∩B)U(A∩C)
Stats4Everyone
6.8K views • 1 year ago
2:21
Using Venn Diagrams, show that if A is a subset in B, then B complement is a subset of A complement
Stats4Everyone
2.1K views • 1 year ago
5:31
Why is the Variance of the Sample Mean equal to Sigma^2/n ? How to find the Variance of X-bar
Stats4Everyone
7.3K views • 1 year ago
13:22
Where did 1/(1-exp(x*beta)) come from in Logistic Regression?
Stats4Everyone
810 views • 1 year ago
21:54
How to Derive the Maximum Likelihood Estimators for Logistic Regression
Stats4Everyone
5.4K views • 1 year ago
6:00
Prove Sum yi(xi - xbar) = Sum (yi - ybar)(xi - xbar)
Stats4Everyone
6.4K views • 1 year ago
19:24
How to Derive the Score Vector for the Maximum Likelihood Estimators of a Logistic Regression
Stats4Everyone
1.6K views • 1 year ago
3:57
Set Theory Example: A Complement Intersection B = A' ∩ B = A^c ∩ B
Stats4Everyone
1.1K views • 1 year ago
3:25
Set Theory Example: Intersection of three Events: A Intersection B Intersection C = A ∩ B ∩ C
Stats4Everyone
772 views • 1 year ago
2:33
Set Theory Example: Union of three Events: A Union B Union C = A U B U C
Stats4Everyone
1.1K views • 1 year ago
4:28
Set Theory Examples: A Intersection (B Union C) = A(BUC) = A∩(BUC)
Stats4Everyone
1.1K views • 1 year ago
11:45
Set Notation Examples: Sample Spaces is the real number line: Find Complement, Union, Intersection
Stats4Everyone
648 views • 1 year ago
8:37
Introduction to Set Notation: Complement, Union, Intersection, Sample Space, Event, Element
Stats4Everyone
413 views • 1 year ago
11:41
Interpreting R squared building up from interpreting variance (and standard deviation)
Stats4Everyone
232 views • 1 year ago
14:30
Calculating Normal Probabilities in Excel for a single observation and for the sample mean
Stats4Everyone
728 views • 1 year ago
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