After Creating OTBI Reports when i select that report in visualization data is inaccurate

Summary:

I created analysis on custom object and used sum filter on one column called total, in analysis it is reflecting correctly, but when i select that report in visualization to add it on dashboard it is taking only first record's total on the visualization. Ex/- I have 3 quotes and 3 quotes total is 3000 it is showing correctly in analysis, so saved that analysis and select that in visualization for dashboard representation there total is showing of only one record.

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