An investment portfolio consists of four stocks. The purchase price, current price, and number of shares are reported in the following table. (Round your answer to the nearest integer.) Stock Purchase Price/Share ($) Current Price/Share ($) Number of Shares Stock A 1,262.00 1,943.78 600 Stock B 199.87 179.23 300 Stock C 179.23 209.99 400 Stock D 91.18 97.13 200 Construct a weighted average of price relatives as an index of the performance of the portfolio to date. I = Interpret this price index. The investment portfolio value is up %.
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.
| Stock | Purchase Price/Share ($) |
Current Price/Share ($) |
Number of Shares |
|---|---|---|---|
| Stock A | 1,262.00 | 1,943.78 | 600 |
| Stock B | 199.87 | 179.23 | 300 |
| Stock C | 179.23 | 209.99 | 400 |
| Stock D | 91.18 | 97.13 | 200 |
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