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What do you think of the opinion
polls?
Opinion polls
W hat do you think of the opinion polls?
People often laugh at opinion polls and remember times
when they were slightly incorrect. However, they often
forget all the time when they were accurate. A poll should
be conducted very carefully and should sample a cross-
section of the population. The cross-section should be
selected very carefully so that the right balance of ages,
sexes and social classes can be achieved. At first it was
very difficult for many people to accept that a sample of
one or two thousand could reflect accurately the views of
millions, but polls have now proved themselves. However,
polls should not claim to do what they are not intended to
do. The findings should always be examined very carefully
before predictions are made with any degree of certainty.
Money is the instrument of exchange, helping in buying
and selling and also in fixing a value on things and
commodities. It may be in metal or in paper. With the
market getting more and more complicated, there are
other negotiable instruments which are as good as the
minted coins or the printed notes. Money gives purchasing
power but this power is no
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What do you think of the opinion
polls?
Opinion polls
W hat do you think of the opinion polls?
People often laugh at opinion polls and remember times
when they were slightly incorrect. However, they often
forget all the time when they were accurate. A poll should
be conducted very carefully and should sample a cross-
section of the population. The cross-section should be
selected very carefully so that the right balance of ages,
sexes and social classes can be achieved. At first it was
very difficult for many people to accept that a sample of
one or two thousand could reflect accurately the views of
millions, but polls have now proved themselves. However,
polls should not claim to do what they are not intended to
do. The findings should always be examined very carefully
before predictions are made with any degree of certainty.
Money is the instrument of exchange, helping in buying
and selling and also in fixing a value on things and
commodities. It may be in metal or in paper. With the
market getting more and more complicated, there are
other negotiable instruments which are as good as the
minted coins or the printed notes. Money gives purchasing
power but this power is no
các bạn download về để xem đầy đủ nhé
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(Sống tốt mỗi ngày) °