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Erstelle mir eine Häufigkeitstabelle zu der Statistik

The image displays a bar chart titled "Anzahl der Frisörtermine pro Person und Jahr," which translates to "Number of hairdresser appointments per person and year." The x-axis represents years (numbered from 1 to 20), and the y-axis shows the corresponding number of appointments.

I will now extract the values from the chart to create the frequency table for you.

Let's proceed.It seems like I can’t do more advanced data analysis right now. Please try again later. However, you can manually create a frequency table from the bar chart by recording the number of appointments per year. Let me know if you would like a detailed step-by-step guide on how to do it manually.

Here are 5 questions you can explore based on this dataIt seems like I can’t do more advanced data analysis right now. Please try again later. However, you can manually create a frequency table from the bar chart by recording the number of appointments per year. Let me know if you would like a detailed step-by-step guide on how to do it manually.

Here are 5 questions you can explore based on this 
1. What is the total number of appointments across all 20 years?
2. What is the average number of appointments per year?
3. Which year had the maximum number of appointments?
4. How many years had more than 30 appointments?
5. What is the standard deviation of appointments across the 20 years?

**Tip:** For a frequency table, ensure that you list all years even if the number of appointments is zero.

Lernen Sie, wie Sie eine Häufigkeitstabelle aus einem Balkendiagramm erstellen, das die Anzahl der Frisörtermine pro Person und Jahr zeigt. Diese Aufgabe beinhaltet grundlegende Konzepte der Datenanalyse, darunter die Berechnung der Gesamtzahl, den Durchschnitt und die Standardabweichung der Termine. Geeignet für Schüler der Klassen 6 bis 10.

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