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a. Is this graph symmetric or skewed? b. For this graph, is mean or median the best choice for the measure of center? c. For this graph, is standard deviation or IQR the best choice for the measure of variation? d. For this graph, the mean is expected to be the median. (higher than, lower than, or about the same as?)

a. Is this graph symmetric or skewed? b. For this graph, is mean or median the best choice for the measure of center? c. For this graph, is standard deviation or IQR the best choice for the measure of variation? d. For this graph, the mean is expected to be the median. (higher than, lower than, or about the same as?)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Cost of Student Groceries** The histogram displays the distribution of the cost of groceries purchased by students. The x-axis is labeled "Cost ($)" and ranges from $40 to $100. The y-axis is labeled "Frequency" and ranges from 0 to 7. The bars in the histogram represent different cost intervals: - $40-$50: Frequency of 1 - $50-$60: Frequency of 2 - $60-$70: Frequency of 4 - $70-$80: Frequency of 7 - $80-$90: Frequency of 3 - $90-$100: Frequency of 1 **Questions:** a. Is this graph symmetric or skewed? [_____] b. For this graph, is mean or median the best choice for the measure of center? [_____] c. For this graph, is standard deviation or IQR the best choice for the measure of variation? [_____] d. For this graph, the mean is expected to be [_____] (higher than, lower than, or about the same as?) the median.
Transcribed Image Text:**Cost of Student Groceries** The histogram displays the distribution of the cost of groceries purchased by students. The x-axis is labeled "Cost ($)" and ranges from $40 to $100. The y-axis is labeled "Frequency" and ranges from 0 to 7. The bars in the histogram represent different cost intervals: - $40-$50: Frequency of 1 - $50-$60: Frequency of 2 - $60-$70: Frequency of 4 - $70-$80: Frequency of 7 - $80-$90: Frequency of 3 - $90-$100: Frequency of 1 **Questions:** a. Is this graph symmetric or skewed? [_____] b. For this graph, is mean or median the best choice for the measure of center? [_____] c. For this graph, is standard deviation or IQR the best choice for the measure of variation? [_____] d. For this graph, the mean is expected to be [_____] (higher than, lower than, or about the same as?) the median.
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