Vishakha Achmare
Quiz by , created more than 1 year ago

Quiz on the advantages and disadvantages of Mean Median and Mode in Data Science.

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Vishakha Achmare
Created by Vishakha Achmare almost 4 years ago
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Advantages and Disadvantages of Mean, Median, Mode.

Question 1 of 18

1

_______is called a data set containing all members of a specified group.

Select one of the following:

  • Population

  • Sample

Explanation

Question 2 of 18

1

________ is a data set that contains a part, or a subset of a population.

Select one of the following:

  • Population

  • Sample

Explanation

Question 3 of 18

1

Mean does not require sorting of data, as sorting of data is costly so it can be used for __________numeric data.

Select one of the following:

  • Continuous

  • Discrete

  • Both

Explanation

Question 4 of 18

1

The mean cannot be calculated for ________ data, as the values cannot be summed.

Select one of the following:

  • Categorical

  • Continuous

Explanation

Question 5 of 18

1

Median is __________ by the outliers and for a symmetric distribution, the mean _________median.

Select one of the following:

  • Affected, Not Equal to

  • Unaffected, Equals to

Explanation

Question 6 of 18

1

In skewed data, the mean lies further towards the ______ then the median.

Select one of the following:

  • Skew

  • Centre

Explanation

Question 7 of 18

1

Median is ________affected by outliers and skewed data.

Select one of the following:

  • More

  • Less

Explanation

Question 8 of 18

1

Median cannot be identified for the _________ nominal data, as it cannot be logically ordered.

Select one of the following:

  • Categorical

  • Ordinal

Explanation

Question 9 of 18

1

Is it possible for the data set to be multimodal (have more than one mode) ?

Select one of the following:

  • True

  • False

Explanation

Question 10 of 18

1

Mode can be obtained for _____________ data.

Can be graphically represented with a ____________.

Select one of the following:

  • Both, Histogram

  • Numerical, Histogram

  • Categorical, Histogram

Explanation

Question 11 of 18

1

For floating data it will be difficult to calculate the _____.

Select one of the following:

  • Mean

  • Mode

Explanation

Question 12 of 18

1

Range is ____________ to outliers and does not use all the observations in a data set.

Select one of the following:

  • Very sensitive

  • Not sensitive

Explanation

Question 13 of 18

1

What can be used as a measure of variability if the extreme values are not being recorded exactly?

Select one of the following:

  • Inter Quartile Range (IQR)

  • Range

Explanation

Question 14 of 18

1

IQR is ___________ by extreme values.

Select one of the following:

  • Not affected

  • Affected

Explanation

Question 15 of 18

1

The advantage of variance is that it treats all deviations from the mean the same regardless of their direction. The squared deviations cannot sum to zero and give the appearance of no variability at all in the data.

Select one of the following:

  • False

  • True

Explanation

Question 16 of 18

1

Variance gives added weight to outliers, the numbers that are far from the mean. Squaring these numbers can skew the data.

Select one of the following:

  • False

  • True

Explanation

Question 17 of 18

1

Variance is not easily interpreted as we square the data, changing its dimensions from original one.

Select one of the following:

  • True

  • False

Explanation

Question 18 of 18

1

Standard Deviation can be used to detect ___________.

Select one of the following:

  • Mean

  • Skewness

  • Both

Explanation

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