How many impressions does Version Y have?

Question

BlackTom AI · Accepted Answer

The vertical axis uses evenly spaced tick marks that represent single impressions, so counting those tick marks is the direct way to read the value for Version Y.

Relevant concepts:
- Reading a bar chart (or tally) requires identifying the scale on the vertical axis and then locating the height of the bar associated with the label (Version Y).
- Each tick or gridline corresponds to one impression, so the numeric value equals the number of ticks reached by the top of the bar.

Step-by-step reasoning:
1. Locate the vertical axis and confirm the scale: the ticks are uniform and represent 1 impression each (0, 1, 2, ...).
2. Find the bar labeled Version Y.
3. Starting at 0 at the axis baseline, count the ticks up to the top of Version Y’s bar: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
4. The top of the bar aligns exactly with the 10th tick mark, so Version Y has 10 impressions.

Intermediate steps shown explicitly:
- Baseline = 0 impressions.
- Tick counts: 0 → 1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 → 9 → 10.
- Top of Version Y bar = 10th tick → value = 10 impressions.

Why this is correct:
The plotted height of Version Y corresponds to the 10th tick on the measured axis; therefore the value indicated by the graph for Version Y is 10 impressions. That is the direct reading from the chart scale and does not require inference or arithmetic beyond counting the ticks.

Why the other options are incorrect:
- 8 and 7 are too low; the bar clearly extends above the 7th and 8th ticks.
- 11 is too high; the bar does not reach an 11th tick.
- Only 10 matches the bar’s alignment with the axis tick marks.

Final confirmation: Version Y has 10 impressions, which matches the provided correct answer (10).

How many impressions does Version Y have?单项选择题

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