Question # 1

If the data contains an extreme value, the suitable average is.

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Mode

Median

Mean

G.M

The measures of central tendency listed below are.

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the mean

The range

Standard deviation

The variance

Sample mean is

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Variable

Statistic

Parameter

Constant

If any value in the data is zero, then it is not possible to have.

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H.M

A.M

G.M

Median

The elimination of extreme scores at the bottom of the set has the effect of.

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Difficult to tell

Lowering the mean

Raising the mean

No effect

The sum of the deviations is zero when the deviations are taken from

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Mean

Median

Mode

Weighted mean

In a symmetrical distribution, mean , median and mode are always.

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Different

Zero

Identical

Negative

Suitable averagefor averaging the shoe sizes for children is

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Median

Mode

Mean

G.M

The mean of a constant 'a' is.

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a/2

a2

0

None of above

The elimination of extreme scores at the top of the set has the effect of.

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Raising the mean

Lowering the mean

No effect

None of above

Scores that differ greatly from the measures of central tendency are called.

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The best scores

Extreme scrores

Raw scores

None of above

The sun of deviation of observation is zero, when deviations are taken from.

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Mode

Median

Mean

None of above

The sun of the deviations of a set of n values from means is.

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Zero

Positive

Negetive

Least

The mode of the letters in the word STATISTICS is.

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l

S

S and T

T

Artithmetic mean of a data is 32. If 5 is added to each item of the same data., what would the new arithmetic mean be.

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32

27

37

42

Coded method of calculation is nly used in

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A.M

Median

Combined mean

None of above

The sum of deviation in zero when deviations are taken from

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Median

Mode

Mean

Geometric mean

In a given data, the average which has the least value is.

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Geometric mean

weighted mean

Harmonic mean

We must arrange the data before calculating.

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Mode

G.M

Mean

Mediam

For the given data 2,4,8,7,-9 , G.M. will be.

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Undefined

Zero

Negative

Positive

Extreme scores willhave the following effecton the median of an examination.

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They land to raise it

They may tend to lower it

They may have no effect on it

They tend to lower it

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