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How it is easy to lie with statistics

How it is easy to lie with statistics

(18:54) Beware of statistics, they can be very misleading.

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Guest: Beckmesser (8 days ago)

No. Understand statistics, otherweise they will be used to fool you.
Be scientifically literate, or be a sheep.

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No. Understand statistics, otherweise they will be used to fool you.
Be scientifically literate, or be a sheep.

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Guest: (7 days ago)

73.6% of statistics are made up.

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73.6% of statistics are made up.

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Guest: (2 days ago)
Latest comment:

Million-to-one chances... crop up nine times out of ten.

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Latest comment:

Million-to-one chances... crop up nine times out of ten.

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Guest: (2 days ago)

There appears to be a sense of humour failure here. The statistic was actually given by a statistician in a Radio 4 interview.

It kind of wastes it if you overanalyse it.

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There appears to be a sense of humour failure here. The statistic was actually given by a statistician in a Radio 4 interview.

It kind of wastes it if you overanalyse it.

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Guest: (7 days ago)

My Farourite statistic: 99.9% of people have more than the average number of legs.

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My Farourite statistic: 99.9% of people have more than the average number of legs.

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Guest: (7 days ago)

The median number of legs is 1.

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The median number of legs is 1.

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Guest: (7 days ago)

WalterEgo, is that you?

If you're talking about humans, the median number of legs certainly isn't 1.

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WalterEgo, is that you?

If you're talking about humans, the median number of legs certainly isn't 1.

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Guest: yo (6 days ago)

The mean isnt but the median is. Unless you count the few rare individuals with extra legs but that seems silly.

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The mean isnt but the median is. Unless you count the few rare individuals with extra legs but that seems silly.

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Guest: (6 days ago)

Umm, no.  

The median and mode will both be exactly 2.  The mean will be slightly less.

If you arrange 11 people in a line with the fewest legs one end and the most legs the other, the median will be however many legs person number 6 has.

For example, number of legs might be:

0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2.

The median here is 2, and that example greatly underestimates the proportion of people with 2 legs.
 

Original comment

Umm, no.  

The median and mode will both be exactly 2.  The mean will be slightly less.

If you arrange 11 people in a line with the fewest legs one end and the most legs the other, the median will be however many legs person number 6 has.

For example, number of legs might be:

0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2.

The median here is 2, and that example greatly underestimates the proportion of people with 2 legs.
 

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