Канал: Moore Statistics

Intro to statistics 4K

Intro to statistics 4K

Chis Square Test of Independence

Chis Square Test of Independence

Chi Square Goodness of Fit

Chi Square Goodness of Fit

Correlation Video Walk Through

Correlation Video Walk Through

Paired T-test

Paired T-test

Independent T Test Lab Video

Independent T Test Lab Video

Single Sample T-Test

Single Sample T-Test

Z-Score Calculator Lab

Z-Score Calculator Lab

Lab #3 Modifying Data Files

Lab #3 Modifying Data Files

Weekly Lab #3

Weekly Lab #3

Lab #4 SPSS Selection and Transformation of Data

Lab #4 SPSS Selection and Transformation of Data

Lab #6 Bar Charts, Pie Charts, and Histograms

Lab #6 Bar Charts, Pie Charts, and Histograms

Median, Mode, Mean, SD, and Skewness

Median, Mode, Mean, SD, and Skewness

Recoding Variables/Different Variables

Recoding Variables/Different Variables

Lab #7 Scatterplots

Lab #7 Scatterplots

Lab #6 Graphing Data

Lab #6 Graphing Data

SPSS Frequencies and Percentiles Walk Through

SPSS Frequencies and Percentiles Walk Through

Lab #5 Frequency Distributions and Percentile Ransks

Lab #5 Frequency Distributions and Percentile Ransks

SPSS Lab 2 Screen Cast (Starting SPSS)

SPSS Lab 2 Screen Cast (Starting SPSS)

Starting SPSS

Starting SPSS

What is Statistics?

What is Statistics?

correlation example of life satisfaction and physical activity

correlation example of life satisfaction and physical activity

finding critical value of chi square

finding critical value of chi square

Chi Square

Chi Square

critical value of r

critical value of r

Finding the critical value of F (ANOVA)

Finding the critical value of F (ANOVA)

ANOVA example

ANOVA example

Correlation and Regression

Correlation and Regression

Matched sample t-test (Language twins example)

Matched sample t-test (Language twins example)

repeated measures t-test (Tattoo example)

repeated measures t-test (Tattoo example)

F-Max homogeneity of variance assumtion

F-Max homogeneity of variance assumtion

independent t test sample problem

independent t test sample problem

determining critical value of z for a 2 tailed test with an alpha of .05

determining critical value of z for a 2 tailed test with an alpha of .05

Most Common Alpha levels

Most Common Alpha levels

explaining APLIA grade

explaining APLIA grade

probabilty using GRE examples

probabilty using GRE examples

hypothesis testing treatment example

hypothesis testing treatment example

type 1 and type 2 errors

type 1 and type 2 errors

determining null and alt hypothesis, id & dd, 1 or 2 tailed test overview

determining null and alt hypothesis, id & dd, 1 or 2 tailed test overview

t-test example with given SS (optimism)

t-test example with given SS (optimism)

indpendent t-testing memory example

indpendent t-testing memory example

ANOVA

ANOVA

t-testing for 2 related samples

t-testing for 2 related samples

Finding critical value of t

Finding critical value of t

Calculating proportion of cars traveling between 60 and 65 miles per hour

Calculating proportion of cars traveling between 60 and 65 miles per hour

Calculating standard error

Calculating standard error

Determining how big a sample size needs to be to have a pre-determined standard error

Determining how big a sample size needs to be to have a pre-determined standard error

choosing between a one tailed and a two tailed test

choosing between a one tailed and a two tailed test

Independent t-testing

Independent t-testing

Intro to t-testing (Single Sample t)

Intro to t-testing (Single Sample t)

finding extreme scores

finding extreme scores

Finding critical value of Z for .o5, .o1, and .001 both 1 & 2 tailed

Finding critical value of Z for .o5, .o1, and .001 both 1 & 2 tailed

Hypothesis Testing

Hypothesis Testing

distribution of sample means for 64 students

distribution of sample means for 64 students

Calculating a sample Mean z-score

Calculating a sample Mean z-score

Distribution of Sample Means

Distribution of Sample Means

Computing probabilities for distribution of sample means

Computing probabilities for distribution of sample means

Probability

Probability

Finding probability of randomly selecting a score that has a z - score between -.11 and +.45

Finding probability of randomly selecting a score that has a z - score between -.11 and +.45

Finding probability of selecting a score that has a z score higher or lower than +.40

Finding probability of selecting a score that has a z score higher or lower than +.40

Z-Scores

Z-Scores

Variability

Variability

standarizing scores to create new distribution

standarizing scores to create new distribution

calculating standing for two classes using z-scores

calculating standing for two classes using z-scores

symbols and equations

symbols and equations

finding variance and standard deviation #1

finding variance and standard deviation #1

Central Tendency

Central Tendency

math review using the sum of symbol

math review using the sum of symbol

Frequency Distribution Tables

Frequency Distribution Tables

Intro to Statistics

Intro to Statistics

sum of squares

sum of squares

computing mean from a frequency distribution table

computing mean from a frequency distribution table

weighted means

weighted means

central tendency

central tendency

Finding proportions in a frequency distribution table

Finding proportions in a frequency distribution table

positevely skewed distribution

positevely skewed distribution

negatively skewed distribution

negatively skewed distribution

skewed or symmetrical distributions

skewed or symmetrical distributions

bar graph vs. histogram charts

bar graph vs. histogram charts

grouped frequency distribution with histogram chart

grouped frequency distribution with histogram chart

simple frequency distribution table

simple frequency distribution table

independent vs. dependent variables

independent vs. dependent variables

start of symbols

start of symbols

Scales of Measurement NOIR

Scales of Measurement NOIR

real limits

real limits

discrete vs. continous variables

discrete vs. continous variables