During which stage of a scientific investigation is data collected?

After the experiment in step 5

Explanation:

In a scientific investigation, first step is to formulate a question. Second step is to do background research. In third step after background research, a hypothesis is constructed. In order to test hypothesis, an experiment is designed and performed. In the fifth step, data is collected from the experiment and in the last step, conclusions are drawn from the collected data.

In the fifth stage of any scientific investigation, data is collected

Explanation:

Any scientific investigation involves following sequential steps -  

a) Observation – Observing any interesting happening around the nature

b) Formulation of question – Framing question with respect to the observation made

c) Literature review – Doing the back ground research work  

d) Formulation of hypothesis - Framing an “If” and “Then” hypothesis which will be tested further

e) Data collection

f) Data Analysis

g) Interpretations from the analyzed data

h) Result  

i) Conclusion  

In the fifth stage of any scientific investigation, data is collected

you keep track of variables in your data table.

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher