a small project consisting of eight activities has the following characteristics: Time-Estimate(in weeks) activity Preceding activity mean optimistic time(a) most likely time (m) most pessimestic time(b) A None 2 4 12 B None 10 12 26 C A 87.5 9 10 D A 109 15 20 E A 7 7.5 11 F B,C 9 9 9 G D 3 3.5 7 H E,F,G 5 5 5 part A - Draw the PERT network for the project . prepare the avtivity schedule for the project . determine the critical path. part B - if a 30 week deadline is imposed , what is the probability that the project will be finished within the time limit ? if project manager wants to 99% sure that the project is completed on the schedule date, how many weeks before that date he start the project work ?
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.
a small project consisting of eight activities has the following characteristics:
Time-Estimate(in weeks)
| activity | Preceding activity | mean optimistic time(a) | most likely time (m) | most pessimestic time(b) |
| A | None | 2 | 4 | 12 |
| B | None | 10 | 12 | 26 |
| C | A | 87.5 | 9 | 10 |
| D | A | 109 | 15 | 20 |
| E | A | 7 | 7.5 | 11 |
| F | B,C | 9 | 9 | 9 |
| G | D | 3 | 3.5 | 7 |
| H | E,F,G | 5 | 5 | 5 |
part A - Draw the PERT network for the project .
prepare the avtivity
determine the critical path.
part B - if a 30 week deadline is imposed , what is the probability that the project will be finished within the time limit ?
if project manager wants to 99% sure that the project is completed on the schedule date, how many weeks before that date he start the project work ?
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