Sale No Sale Row Total Aggressive 270 s10 Passive 580 416 164 580 Column Total 686 474 1160 Suppose a customer is selected at random from the 1160 participating customers. Let as use the following notation for events: A - aggressive аpproach. Pa = passive approach, S= sale, N=no sale. So. P(A) is the probability that an aggressive approach was used, and so on. (a) Compute P (S), P (SIA), and P(SIPA). (b) Are the events S= sale and Pa= passive approach independent? Explain. (c) Compute P (A and S) and P (Pa and S). (d) Compute P (N) and P(NI A). (e) Are the events N=no sale and A = aggressive approach independent? Explain. (f) Compute P(A or S).
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.
Survey: Sales Approach In a sales effectiveness seminar, a group of sales representatives tried two approaches to selling a customer a new automobile: the aggressive approach and the passive approach. For 1160 customers, the following record was kept
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