Mathematics · Statistics
In the 'tally marks' representation, which of the following standard methods correctly represents 9 observations?
- 1Two separate groups of four vertical lines each, each crossed by a diagonal line
- 2Nine individual continuous vertical lines drawn side by side
- 3A group of four vertical lines crossed by a diagonal line, followed by four vertical lines✓
- 4A group of four vertical lines crossed by a diagonal line, followed by three vertical lines
Correct answer
A group of four vertical lines crossed by a diagonal line, followed by four vertical lines
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