Pictograph Statistics Example 2

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Example 2

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A pictograph uses a star symbol where each star represents 5 stickers. If one row shows 3 full stars and a half star, how many stickers does that represent? Explain what a half symbol means.

Solution

  1. 1
    Step 1: Each full star = 5 stickers, so 3 full stars = 3ร—5=153 \times 5 = 15 stickers.
  2. 2
    Step 2: A half star represents half the key value: 12ร—5=2.5\frac{1}{2} \times 5 = 2.5 stickers. In practice, this is often rounded to 2 or 3 depending on context.
  3. 3
    Step 3: Total = 15+2.5=17.515 + 2.5 = 17.5 stickers, or approximately 17 or 18 stickers.

Answer

3.5 stars represent 3.5ร—5=17.53.5 \times 5 = 17.5 stickers (approximately 17 or 18 stickers).
Pictographs sometimes use partial symbols (halves or quarters) to represent values that are not exact multiples of the key value. A half symbol means half the value shown in the key. This allows pictographs to display a wider range of data values.

About Pictograph

A pictograph (or picture graph) displays data using pictures or symbols, where each picture represents a specific quantity. For example, if ๐ŸŽ = 5 apples, then ๐ŸŽ๐ŸŽ๐ŸŽ means 15 apples. A key (legend) always tells you what each symbol represents.

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More Pictograph Examples