# What is a mathematical procedure that predicts the dependent variable on the basis of knowledge known about independent variables?

regression analysis

### Why are variables important in a science investigation?

I got this from bcps.org. The procedure used in an experiment must be written in a clear, sequential manner in order to allow someone else to follow the same steps to replicate the experiment. Numbering the steps followed in the procedure is helpful to someone who is reading the procedure. In determining the procedure that will be used in the investigation the factors that will affect the outcome of the experiment, called variables, must be…

### Why would a scientist need to identify variables?

Variables are the basis of a scientific experiment. When the scientist is carrying out his procedure, he is actually altering a variable, called the independent variable. Unless he just likes playing with chemicals, he is likely attempting to get a result, and he does this by using measurements of the dependent variable, which has changed because of the manipulation of the independent variable. Identifying the variables becomes very important when formulating more complicated studies, and…

### What are some obstacles with following written procedures?

Obstacles to following written procedures include: The procedure is poorly or unclearly written The procedure is overly long and complex The procedure is not readily available to the person who must follow it. The procedure is not written in a language that can be read by the person who must follow it. The person who much follow the procedure is unable to read The procedure calls for incorrect or improper actions The procedure makes unfounded…

### What is the difference betwene simple linear regression and multiple regression?

Simple linear regression is performed between one independent variable and one dependent variable. Multiple regression is performed between more than one independent variable and one dependent variable. Multiple regression returns results for the combined influence of all IVs on the DV as well as the individual influence of each IV while controlling for the other IVs. It is therefore a far more accurate test than running separate simple regressions for each IV. Multiple regression should…

### How do you write a conclusion in science fair?

Summarize your science fair project results in a few sentences and use this summary to support your conclusion. Include key facts from your background research to help explain your results as needed. State whether your results support or contradict your hypothesis. (Engineering & programming projects should state whether they met their design criteria.) If appropriate, state the relationship between the independent and dependent variable. Summarize and evaluate your experimental procedure, making comments about its success…

### What does a 5th grade science experiment outline look like?

Board: Problem (This would be abstract in middle and high school) Variables - Independent and dependent Experimental Question Hypothesis Background Information Materials Procedure Data/Observations - Including graphs and tables Conclusion ( Including Ideas for future research) Log Book includes the above information as the student is gathering the information. It should also include the bibliography and safety procedures.

### Instructions for carrying out a science experiment?

The Scientific Method 1) Observe- use the five senses 2) Hypothesis- a proposed explanation for observation; an educated guess 3)Experiment- a procedure used to test a hypothesis -find the independent variable(variable that changes during experiment) -Find the dependent variable(variable that changes in response to the idependent variable) 4) data- write down everything you observe about the experiment. 5) Conclusion!!!!

### Procedure of valuation of goodwill?

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