The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals who are in marketing. Three groups are considered: management, research and advertising (higher scores indicate higher ethical values). Marketing Managers Marketing Research Advertising 4 7 8 3 7 9 2 6 8 3 6 7 4 7 8 2 6 8 Compute the values identified below (to 2 decimal, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares Error Use 0L = .05 to test for a significant difference in perception among the three groups. Calculate the value of the test statistic (to 2 decimals). P-value = Using 0L = .05, determine where differences between the mean perception scores occur. Calculate Fisher's LSD value (to 2 decimals).
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals who are in marketing. Three groups are considered: management, research and advertising (higher scores indicate higher ethical values).
|
Marketing Managers |
Marketing Research |
Advertising |
|
4 |
7 |
8 |
|
3 |
7 |
9 |
|
2 |
6 |
8 |
|
3 |
6 |
7 |
|
4 |
7 |
8 |
|
2 |
6 |
8 |
- Compute the values identified below (to 2 decimal, if necessary).
Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares Error
Use 0L = .05 to test for a significant difference in perception among the three groups.
Calculate the value of the test statistic (to 2 decimals).
P-value =
Using 0L = .05, determine where differences between the mean perception scores occur.
Calculate Fisher's LSD value (to 2 decimals).
I have used Excel and the command is as follows
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Data >> Data analysis >> Anova :single factor >> select the data >>ok
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