Answer All Questions Essay Example | Topics and Well Written Essays - 1750 words

Answer All Questions - Essay Example150).In a scatter plot diagram, the much two inconsistents atomic number 18 highly correlated the data points would cluster closer around an imaginary line. For holy correlation, the data points fall on the straight line.b. A very tender correlation The degree of human relationship between two variables is measured by the correlation coefficient. The stronger the relationship between the variables, the closer the coefficient would move to both +1.00 or -1.00. When the measure of correlation moves closer to either of these two values, it is said that a very strong correlation exists between the two variables.c. Null correlation Two variables are aid to have cipher correlation is there is no correlation between them. This happens in case of comparing two variables that are not at all related to one another.The correlation coefficient is 0.90 approximately. The variables under consideration are gross revenue and advertisement. The value of cor relation is 0.90 which implies that there exists a strong positive correlation between the variables. The result shows that the advertise made by the company has a positive effect on its sales. The sales are boosted owe to the advertisement.iii) a. The regression model is a multiple regression model and has four independent variables. The dependent variable is the number of copies sold. The only significant value obtained is between the number of pages and the number of copies sold, which is 0.13