Question # 1

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

We must arrange the data before calculating.

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Mode

G.M

Mean

Mediam

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

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

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Geometric mean

weighted mean

Harmonic mean

Suitable averagefor averaging the shoe sizes for children is

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Median

Mode

Mean

G.M

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

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Different

Zero

Identical

Negative

The sum of deviation in zero when deviations are taken from

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Median

Mode

Mean

Geometric mean

Coded method of calculation is nly used in

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A.M

Median

Combined mean

None of above

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 mean of a constant 'a' is.

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a/2

a2

0

None of above

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

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

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Mode

Median

Mean

None of above

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

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

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Undefined

Zero

Negative

Positive

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

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Mode

Median

Mean

G.M

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

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

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

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Mean

Median

Mode

Weighted mean

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