Eco:drive in 500l 1.6mjet - data wrong?

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Eco:drive in 500l 1.6mjet - data wrong?

Joined
Jul 30, 2004
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107
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Location
Skipton, United Kingdom.
I've been using ecodrive now for the past week since we got our 500l trekking, and generally I'm very happy with the feedback it gives. However, for two of my journeys it seems to have got the wrong "eco score".

My average at the moment is 67 (yesterday, we drove to Hull and back, a total of 190 miles, and scored 77 and 83 for the respective journeys), but two of our drives earlier in the week are randomly scored as 15. Now I don't see how that is possible, especially as one of the journeys was 12 miles, and the second was 19 miles, and I was driving in the same careful style. Not only that, but when I had the ecodrive displayed on the dash in the car, it was definitely above 60 for each journey.
But these two 15's have dragged down my average, and messed up the calculations for my usage.
I know it doesn't matter in the real world, but as a comparison tool, I would like to be able to rely on the data if possible.
Has anyone else seen this sort of glitch before?
My average mpg since getting the car is 54, and yesterday's average was 62.5... :)
 
See attached screenshots from android app. Also, the mpg calculation seems to be random throughout the app.
 

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