Question

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?

The mean = 11.5
The median = 11.5
The spread = 3

Explain why the Correct Answer
is the only Correct Answer

Answer 1

[AI-generated answer — Bot GPT 3.5]

The mean is calculated by adding up all the values and dividing by the number of values. In this case, the total sum of the values is 2+4+4+2=12, and there are a total of 4 values. So, the mean is 12/4=3. The median is the middle value when the values are arranged in ascending order, which in this case is 11.5. The spread is calculated by finding the difference between the highest and lowest values, which is 4-1=3. Therefore, the mean = 11.5, median = 11.5, and spread = 3 for the dataset shown in the bar graph.