Scott Crawford, Ph.D.Stat 211 - Intro to Statistics for Engineers
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124 videos
Total Video Time 10:53:58
Average video Length 5:16
Welcome to Class
5 videos
Total Time 33:50
Course SyllabusGetting Started
Who will get an A in this class (6:25)
10 Tips for posting on the discussion board (5:26)
What is Statistics (3:36)
Chapter 2 : Definitions, Vocabulary
13 videos
Total Time 58:30
Notes for Chapter 2: Definitions, VocabularyStatistic vs Parameter (4:04)
Categorical vs Numerical (5:04)
Graphs for Data (3:57)
Discrete vs Continuous (4:30)
Notation (2:34)
Boxplot 5 number summary (5:03)
Boxplot Example (2:12)
Center of Numerical data (4:58)
Measures of Spread (6:01)
Calculating Standard deviation (3:42)
Shape (6:15)
extra Why equation for s (6:45)
Numerical Categorical (3:25)
Chapter 3 : Proabilities
16 videos
Total Time 01:22:51
Notes for Chapter 3: ProabilitiesConcept of Probability (2:54)
Basic discrete probabilities (6:45)
Conditional Table Probabilities (5:40)
Conditional Tree Diagram (8:05)
Conditional Counting method (4:02)
Conditional Equation (3:55)
Another Conditional Question (6:04)
PDF, CDF, and Ex (4:54)
Moments for discrete data (4:44)
Continuous Probabilities (4:45)
Uniform Probability (3:34)
Continuous PDFs (5:09)
Continuous CDFs (4:08)
Moment Generating Functions (4:16)
Joint Probability Distributions (7:41)
Get to know your distributions (6:15)
Chapter 4 : Normal
5 videos
Total Time 29:13
Notes for Chapter 4: NormalIntro to Normal (6:31)
Z-scores (6:08)
Probabilities of the Normal Distribution (6:02)
Reverse Normal (5:41)
Z Bridge (4:51)
Review for Exam 1
2 videos
Total Time 14:11
Taking the exam (4:55)Exam 1 Review (9:16)
Chapter 5 : Sampling Distribution
7 videos
Total Time 29:28
Notes for Chapter 5: Sampling DistributionSampling Distribution of a mean (4:21)
Sampling Distribution Applet (6:36)
Sampling Distribution summary (3:05)
Probability of a mean (3:58)
Probability of a mean when normal (3:54)
Cannot do questions (1:42)
Probabilities for a mean (skewed) (5:52)
Chapter 6 : Hypothesis Testing
12 videos
Total Time 01:03:36
Notes for Chapter 6: Hypothesis TestingIntro to Hypothesis Testing (3:23)
Null and Alternative Hypothesis (5:39)
Left, right or two tailed (5:25)
Definition of p-value (6:05)
Types of Errors (7:16)
Type I-II errors in Court (9:43)
Errors drug testing (4:20)
Errors creeper-keeper (4:37)
A Full Hypothesis Test (4:10)
Another full hypothesis test (5:30)
Doing HT in Webassign (4:47)
Steps of the hypothesis (2:41)
Chapter 7 : Confidence Intervals
8 videos
Total Time 40:19
Notes for Chapter 7: Confidence IntervalsIntroduction to Confidence Intervals (6:44)
Shrinking and growing the interval (6:15)
The picture for confidence intervals (4:18)
Definition of Confidence (8:39)
Sample size Calculation (6:32)
Using Confidence Intervals (3:21)
Check assumptions for CI (1:32)
Confidence Interval Example (2:58)
Chapter 8 : T tests and matched pairs
12 videos
Total Time 55:17
Notes for Chapter 8: T tests and matched pairsThe t distribution (6:40)
t test for mu (5:12)
t confidence interval for mu (3:56)
CI for mu with data (3:45)
Matched Pairs HT (7:51)
Matched Pairs CI (5:55)
The picture for calculating power (3:55)
Calculating statistical power (3:02)
What affects statistical power (4:27)
Going further with statistical power (3:11)
Calculating statistical power example (4:31)
Close to mu (2:52)
Review for Exam 2
1 video
Total Time 07:22
Review for Test 2 (7:22)Chapter 9 : Two sample tests and pooled test
7 videos
Total Time 36:12
Notes for Chapter 9: Two sample tests and pooled testEquation for the Independent Test (7:23)
Independent test of two means (4:01)
Indepdendent CI (5:57)
Pooled testing (5:37)
Pooled t-test for means (3:50)
Pooled CI (4:53)
Map for testing means (4:31)
Chapter 10 : Testing Proportions
10 videos
Total Time 50:52
Notes for Chapter 10: Testing ProportionsIntroduction to proportions (8:18)
Test for p (4:35)
p hypothesis test (5:00)
Proportion confidence interval (4:10)
CI for p1 p2 (5:41)
CI for two proportions (2:56)
Equation for testing two proportions (6:10)
Testing p1-p2 (5:06)
2x2 table for testing proportions (5:21)
500 Trials (3:35)
Chapter 11 : Regression Tests
13 videos
Total Time 56:50
Notes for Chapter 11: Regression TestsBeginning Regression (4:14)
Correlation (6:27)
Definition of R^2 (5:29)
Distribution for the slope (5:15)
Regression hypothesis test (5:09)
Residuals (3:55)
Reading Residual Plots (5:49)
Full Regression Test (3:01)
Doing Predictions (4:16)
Regression Example with real data (4:11)
Regression Confidence Interval (4:51)
Homoscedasticity (1:24)
I wanna test (2:49)
Chapter 12 : ANOVA
13 videos
Total Time 01:35:27
Notes for Chapter 12: ANOVAThe intuition behind ANOVA (5:06)
SSG, SSE, and SST (7:45)
ANOVA table (4:38)
ANOVA example (5:51)
ANOVA with data (12:57)
ANOVA for two samples (5:28)
ANOVA for regression (8:08)
ANOVA regression example (6:42)
ANOVA example with k=6 (6:44)
Use ANOVA (5:32)
If I were a statistician (4:46)
Review for final (14:54)
Pvalues to confidence intervals (6:56)