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- 1a value that tells you how closely related the two data series.correlation coefficient
- 2this method is best used if you have two series.correl formula
- 3It is used when having a multiple series and wants to find out their correlation coefficient.data analysis tool pack
- 4The most common way of measuring a linear correlation.pearson's correlation coefficient (r)
- 5known names of pearson correlation coefficient (r)pearson's r
bivariate correlation
pearson product-moment correlation coefficient (PPMC)
the correlation coefficient - 6specifically describes the strength and direction of the linear relationship between two quantitative variables.pearson correlation coefficient (r)
- 7when the slope is negative,r is negative
- 8when the slope is positive,r is negative
- 9when to use the pearson correlation coefficient?if both variables are quantitative
if both variables are normally distributed
the data have no outliers
the relationship is linear - 10used when the variable are ordinal, variable's aren't normally distributed, data includes outliers, and the relationship between the variables is non-linear and monotonic.spearman's rank correlation coefficient
- 11developed in 20th century were used for statistical analysis until 1918.ANOVA CHI SQUARE
- 12created the analysis of variance method.Ronald Fisher
- 13also called fisher analysis of variance and is extension of the t-and z-test.ANOVA
- 14F=MSE/MSTF= ANOVA coefficient
MST= Mean sum of squares due to treatment
MSE= Mean sum of squares due to error - 15what are the two main types of anova, and its definition?one-way. it determines whether all the samples are the same.
two-way. it determines the effect of two nominal predictor variables on a continuous outcome variable. - 16Is a nonparametric hypothesis test, used to determine whether your data are significantly different from what you expected.CHI SQUARE TEST OF INDEPENDENCE/ASSOCIATION
- 17A type of frequency distribution table and is also known as cross tabulation.Contigency table
- 18V1 and V2 are not related in the population.null hypothesis
- 19V1 and V2 are related in the population.alternative hypothesis
- 20Allows you to test whether the proportions of the variables are equal.McNemar's test
- 21checks whether there is a difference between several independent groups and nonparametric counterpart to single factor analysis of variance.KRUSKALL WALLIS TEST
- 22what is SPSS?STATISTICAL
PACKAGE FOR THE
SOCIAL
SCIENCES - 23popular program for statistical analysisSPSS
- 24two view mode of spssdata view
variable view - 25what are the 4 scales of measurement?nominal
ordinal
interval
ratio - 26what are the two types of error in statistics?type 1- rejecting the null hypothesis when it is true
type 2- not rejecting the null hypothesis when it is false - 27few conditions to observe in calculating spssvariable name must not be more than 64 characters.
variable name must not have space between them, instead use underscore.
variable name must be unique.
the variable name must not be started with a number.
it must not begin with special characters.
use of camel case is allowed. - 28—
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- Flashcards on Untitled, created by jhelian dalut on 03/12/2023.
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