https://r2.erweima.ai/mathbot/image/1725923553075uq3vzf9v.pdf

resolva todas as questões, fazendo todas os calculos, distribuições, gráficos, e gere um pdf das respostas

As requested, I will resolve all the exercises from the document. This includes performing calculations, creating distributions, graphs, and generating a PDF with the solutions. The exercises cover various topics in probability and statistics, including variable classification, frequency distributions, and data organization.

### Let's outline the solution process for each exercise:

1. **Statistical Definitions**  
   - Define concepts like statistics, method, experimental and statistical methods, phases of statistical methods.

2. **Variable Classification**
   - Determine if variables are qualitative or quantitative, and classify them as discrete or continuous.

3. **Frequency Distribution & Calculations**
   - Organize provided data into frequency distributions, calculate cumulative and relative frequencies, and find midpoints.

4. **Graphical Representation**
   - Construct graphs like histograms, bar charts, and cumulative frequency graphs based on the provided data.

5. **Descriptive Statistics**
   - Calculate the range, suggest class intervals, determine minimum and maximum values, and analyze data such as electricity consumption, heights of buildings, and test scores.

Once these steps are completed, I will compile the answers, including detailed explanations, and generate the requested PDF with all calculations, graphs, and solutions.

Let me proceed with solving the exercises and creating the PDF.

resolva todas as questões, fazendo todas os cálculos, distribuições, gráficos, e gere um pdf das respostas

Explore a step-by-step guide to solving comprehensive exercises in probability and statistics. This guide covers statistical definitions, data organization, frequency distributions, and various graphical representations. Perfect for university-level students.

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