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The ogive shown below is the distribution of monthly returns for a group of aggressive (or high growth) mutual funds over a period of 25 years from 1975 to 1999. (Recall that an ogive, or cumulative relative frequency graph, shows the percent of cases at or below a certain value. Thus, this graph always begins at 0% and ends at 100%.)

a) Estimate the median.

The median is 7 %.

b) Estimate the quartiles.

The lower quartile is 41%.

The upper quartile is __ %.

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