Use the image to answer the question.
An illustration shows a bar graph with four bars extending vertically from the x-axis. The horizontal axis ranges from 10 to 13 in increments of 1 and the vertical axis ranges from 0 to 5 in increments of 1. The bar placed at 10 on the x-axis extends to 2 on the y-axis. The bar placed at 11 on the x-axis extends to 4 on the y-axis. The bar placed at 12 on the x-axis extends to 4 on the y-axis. The bar placed at 13 on the x-axis extends to 2 on the y-axis.
What are the values of the mean, median, and spread for the dataset shown in the bar graph?
(2 points)
The mean =
.
The median =
.
The spread =
.
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The mean = (2+4+4+2)/4 = 3.
To find the median, we arrange the values in order: 2, 4, 4, 2. The median is the middle value, which is 4.
To find the spread, we subtract the smallest value from the largest value: 4 - 2 = 2.