Social Psychology (10th Edition)
10th Edition
ISBN: 9780134641287
Author: Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers
Publisher: Pearson College Div
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What test of significance would you use for this case of bivariate or multivariate analysis? Assume that each variable is measured at its most detailed possible level of measurement. Meaning, for instance, that age is always ratio (0, 1, 2, 3, 4, 5, … infinite), not ordinal (i.e., age categories).
College major by gender and race
ANOVA
Chi-square
Regression
T-test
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- Help!arrow_forwardDue Sat 12/05 Here is a bivariate data set. y 20 61 26 61 19 57 25 48 31 48 24 42 36 55 3 35 Find the correlation coefficient and report it accurate to four decimal places. r =arrow_forwardData was collected on the average number of yards of a golfer’s length of drive and game score. Excel returned the following analysis. Regression Statistics Multiple R 0.856 R Square 0.733 Adjusted R Square 0.643 Standard Error 1.657 Observations 5 Coefficients Std Error Intercept 93.399 7.918 X Variable 1 -0.089 0.031 How many data pairs formed the sample State the value of the coefficient of determination State the value of the correlation coefficient Write the regression equation in the form What percent of variation in score is NOT explained by the golfer's drive length in the regression equationarrow_forward
- see picture for graphic and questions. Explanation The Cadet is a popular model of sport utility vehicle, known for its relatively high resale value. The bivariate data given below were taken from a sample of fifteen Cadets, each bought new two years ago, and each sold used within the past month. For each Cadet in the sample, we have listed both the mileage x (in thousands of miles) that the Cadet had on its odometer at the time it was sold used and the price y (in thousands of dollars) at which the Cadet was sold used. The least-squares regression line for these data has equation =y−41.67 - 0.49x. This line is shown in the scatter plot below.arrow_forwardI need help with these questions 1. do the covariates and factors interact? 2. can you conclude a homogeneity of regression slopes? 3. can you conclude homogeneity of variance?arrow_forwardIf we want to compare average charges for males and females, we would use O two sample z- test O single sample t-test O Correlation OTwo sample t-testarrow_forward
- Question attached Bottom question asks Is the mode a useful measure of center for this data set? Yes or no.arrow_forwardChoose correct option.. And explain all question. Tyarrow_forwardWhen there are omitted variables in your regression, then... Group of answer choices This has no effect on the estimation of the explanatory variable because the variable is omitted This will always bias the OLS estimation of the explanatory variable the estimation of the explanatory variable(s) is unaffected The OLS estimation is biased if the omitted variables are correlated with the included variablearrow_forward
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