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Page 65

These can be most precisely and neatly

but the basic ideas are quite simple, and can also be

difficulty in ordinary English; it will become apparent that the mathematical

symbols, ...

These can be most precisely and neatly

**expressed**in mathematical language;but the basic ideas are quite simple, and can also be

**expressed**without muchdifficulty in ordinary English; it will become apparent that the mathematical

symbols, ...

Page 133

The variability,

22,500 square gallons – and it is not very easy to gather much impression from

that, unless you are used to this sort of game. But the same variability,

as ...

The variability,

**expressed**as variance, or mean squared deviation, might be22,500 square gallons – and it is not very easy to gather much impression from

that, unless you are used to this sort of game. But the same variability,

**expressed**as ...

Page 215

The norms or goals may be very simply

are: 'abolition of human hunger by the year 2000', 'get a man to Mars', 'reduce air

pollution to a given level by 1975', 'double the number of new houses built over ...

The norms or goals may be very simply

**expressed**. Examples of possible goalsare: 'abolition of human hunger by the year 2000', 'get a man to Mars', 'reduce air

pollution to a given level by 1975', 'double the number of new houses built over ...

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