B.Sc. (Computer Science) Sem 6 BSc CS Semester 6 (2020 2021) 2021 DATA SCIENCE Question Paper - Mumbai University | munotes
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Questions asked in this paper
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When the sampling is driven by the subjective judgment of the quota purposive convenience |random purposive
1 Jexpert, it’s called . sampling sampling sampling sampling sampling
The most likely or frequently occurring value is called as_ . Median
Data published in books , magzines, newspapers and journals is called Secondary Nominal Secondary
is aHadoop environment non-relational database
is the on-going management of data through its Data Transformati |Data Data Data
5 |lifecycle. Curation on Visualization |wrangling Curation
In data curation, is the action that evaluates and selects data
for long-term preservation. Ingest Transform Curate Appraise
type of decision tree when the predicted Classification Classification
7 Joutcome is the class to which the data belongs. Tree Forest Tree Tree
The distance between nearest data points of each class, and the
hyperplane is called . Margin Graph Chart Margin
Overfitting models have bias and variance. low, high high,low high,high low, high
10 Regularization is also called . regression
is a measure of peakedness and tailedness of the covariance kurtosis kurtosis
12 |probability distribution of a random variable. skewness variance
13 package that reshapes the layout of tables. tidyr dplyr tidyr
The is defined as the middle number between the Second Third q-quartile
14 |smallest number and the median of the data set. First quartile quartile First quartile
is the process of converting data from one format |Data Transformati |Data Data Transformati
16 |to another. Curation on Visualization |wrangling on
XQuery is a functional query language used to retrieve information
XPath specification has of nodes
19 is Unsupervised Learning Technique. Clustering SVM Regression |Regression |Clustering
is acollection of observations obtained through repeated Time series |Probability |Random Time series
When the model tries to learn or fit every noise data point in the
21 |data set, it results in . Overfitting |Underfitting |Smoothing |Aggregation |Overfitting
Qualitative data is also called as data. Categorical Categorical
measures asymmetry about the mean of the probability covariance kurtosis
23 |distribution of a random variable. skewness variance skewness
24 measures the degree of the relationship between two random Skewness Correlation |kurtosis Correlation
A Collection in MongoDB is composed of
Amazon is a web service interface that provides
A supervised machine learning algorithm should aim to have
28 |bias and variance. low, high high,low low,low high,high low,low
A good machine learning model is the one that has AIC
29 Jamong all the models. Constant Minimum Average Maximum Minimum
30 |L2 Regularization is also called . regression |regression
When the sampling is driven by the subjective judgment of the quota purposive convenience |random purposive
1 Jexpert, it’s called . sampling sampling sampling sampling sampling
The most likely or frequently occurring value is called as_ . Median
Data published in books , magzines, newspapers and journals is called Secondary Nominal Secondary
is aHadoop environment non-relational database
is the on-going management of data through its Data Transformati |Data Data Data
5 |lifecycle. Curation on Visualization |wrangling Curation
In data curation, is the action that evaluates and selects data
for long-term preservation. Ingest Transform Curate Appraise
type of decision tree when the predicted Classification Classification
7 Joutcome is the class to which the data belongs. Tree Forest Tree Tree
The distance between nearest data points of each class, and the
hyperplane is called . Margin Graph Chart Margin
Overfitting models have bias and variance. low, high high,low high,high low, high
10 Regularization is also called . regression
is a measure of peakedness and tailedness of the covariance kurtosis kurtosis
12 |probability distribution of a random variable. skewness variance
13 package that reshapes the layout of tables. tidyr dplyr tidyr
The is defined as the middle number between the Second Third q-quartile
14 |smallest number and the median of the data set. First quartile quartile First quartile
is the process of converting data from one format |Data Transformati |Data Data Transformati
16 |to another. Curation on Visualization |wrangling on
XQuery is a functional query language used to retrieve information
XPath specification has of nodes
19 is Unsupervised Learning Technique. Clustering SVM Regression |Regression |Clustering
is acollection of observations obtained through repeated Time series |Probability |Random Time series
When the model tries to learn or fit every noise data point in the
21 |data set, it results in . Overfitting |Underfitting |Smoothing |Aggregation |Overfitting
Qualitative data is also called as data. Categorical Categorical
measures asymmetry about the mean of the probability covariance kurtosis
23 |distribution of a random variable. skewness variance skewness
24 measures the degree of the relationship between two random Skewness Correlation |kurtosis Correlation
A Collection in MongoDB is composed of
Amazon is a web service interface that provides
A supervised machine learning algorithm should aim to have
28 |bias and variance. low, high high,low low,low high,high low,low
A good machine learning model is the one that has AIC
29 Jamong all the models. Constant Minimum Average Maximum Minimum
30 |L2 Regularization is also called . regression |regression
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