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Hello, I am Andy Zaltzman, test match special statistician, and this is today's TMS Daily Ashes quiz.

Every weekday during the current Ashes series, I will give you a question to take a guess at,

see how close you can get to the statistically correct answer.

This is exclusive on BBC Sounds, and we have a scoring system so you can tot up the quality of your answers over the course of the series.

Let's start with the answer to Friday's question, which was about England's chances of winning

the final three tests at the Adelaide Oval at the MCG and the SCG based on their previous

win percentage in Ashes tests at those three grounds.

The correct answer was 4.4%, which I'll be honest, was higher than I was expecting, and it's

definitely not zero, so let's cling to that.

In Ashes test at the Adelaide Oval, they've won nine out of 33, they're 19 out of 50 in Ashes test at the MCG, and 22 out of 52 wins at the SCG. So multiply those all together, you get 4.4%, which is about a 1 in 23 shot, which to to be honest, I'll take, under our scoring system,

if you said anywhere in the 4% range, you've hit a 6. If you're 3 or 5%, I'll give you 4. 6 or 7%, you can have 2. If you said 2, 8, 9 or 10%, you can have 1. But if you said 0% or 15% or over, well A, you're either a cynic or B, you're a hopeless optimist, and C, you're out. Otherwise, it's a dot ball. Luckily, I don't think the disappointing run of five consecutive Adelaide Oval defeats from 1895 to 1908 is going to be weighing too much on England's minds this week. Their more recent record is slightly less hopeful. Since 1990, they've won two out of nine

at all three of those grounds, but that gives a 1.1% of winning all three matches, around about a 1 in 90 chance.

But, well, after how the series has gone so far, I think I'd take that as well.

Today's question now, the Adelaide Oval has the biggest drop between the average scores in

team's first innings and their second innings of any test ground that's hosted five or more

tests since the year 2000.

But my question for you is, in terms of runs per 10 wicket, so basically the average team

score, what is the average difference between teams' collective first innings and their

collective second innings in all men's test cricket everywhere around the world since the year 2000?

So the average difference between teams' first inning score and their second inning score in all

men's test cricket at all grounds around the world since the year 2000.

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