Question 1180228
The median is mid-way between the already ordered numbers or half way between the 5th and 6th or $2650.
the mean is $2570
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The 25th percentile is the lower half of the data below the mean, which are the 5 elements below $2650, and their middle is $2300. Similarly ,the 75th percentile is $2800.
The IQR is the difference or $500.
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The SD for this is $3057, considering it as a sample. As a population, it would be $290.
The range is top-bottom or $900.