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WorksheetsFinal Data Analytics
Total questions: 50
Worksheet time: 46mins
Which of the following is correct?
Information is processed Data
Data is processed information
Data is information
What is data?
Individual facts or statistics
Knowledge gained through study or research
Organized interpretation of facts
Perception of knowledge
Which type of data is provided in numerical form?
Quantitative data
Qualitative data
Both quantitative and qualitative data
None of the above
Grades: 70%, 90%, 85%
Data
Information
pink
Black
Blue
Green
Yellow
Data
Information
My favorite colour is pink
Data
Information
What is the primary goal of data analytics?
To collect data
To store data
To analyze data
To delete data
Which statistical measure is used to describe the central tendency of a dataset?
Mean
Median
Mode
Range
What is the process of examining the relationship between two or more variables called?
Data modeling
Data correlation
Data manipulation
Data inference
Which of the following is NOT a key step in the data analytics process?
Data collection
Data visualization
Data storage
Data interpretation
It has no logical order. It is only a matter of distinguishing by name. Numbers used do not denote quantity.
nominal
ordinal
interval
ratio
The difference in values is not constant. It provides a “rank” in data.
nominal
ordinal
interval
ratio
There is an equal distance between each data. It has standardized differences between values. It does not have a natural zero.
nominal
ordinal
interval
ratio
The data is continuous, ordered, has standardized differences between values and it has a natural zero.
nominal
ordinal
interval
ratio
Which of the following shows interval data?
age
height
Grade ranking
Likert Scale
These are facts and statistics collected together for reference or analysis.
information
data
unit
idea
Students measure the length of their shoes and record the data.
Change over time
Numerical
Categorical
What is the range of values for the Pearson correlation coefficient?
-1 to 1
0 to 1
1 to 10
-10 to 10
What is the primary aim of a correlational study?
To determine cause and effect
To investigate the relationship between co-variables
To test the effectiveness of an intervention
To explore participants' subjective experiences
Which of the following is an example of a positive correlation?
The more you study, the lower your grades.
The less exercise you do, the fitter you are.
The taller a person is, the larger their shoe size.
The more you eat, the fewer calories you consume.
A correlation coefficient of -0.85 suggests:
A weak positive correlation
A strong positive correlation
A strong negative correlation
No correlation
Which type of correlation does C show?
Positive correlation
Negative correlation
No correlation
Which type of correlation does A show?
Positive correlation
Negative correlation
No correlation
The number of smartphones sold and the number of food poisoning cases.
Positive correlation
Negative correlation
No correlation
The more track athletes practice, the less time it takes them to finish the race.
Positive correlation
Negative correlation
No correlation
Most often, EDA relies on _____.
visual techniques
assumptions
fixed models
testing for statistical significance
18, 2, 0, 0, 0
Find the median from the list of numbers:
60, 58, 52, 48, 60, 67
58
59
60
118
Calculate the mean.
2, 9, 10, 6, 8
8
4
7
22
3, 5, 7, 4, 3, 1
How do you insert COMMENTS in Python code?
//This is a comment
/*This is a comment*/
#This is a comment
What Python command lets the user enter an answer to a question?
write()
insert()
print()
input()
x = 5
y = 6
print(x*y)
11
x*y
30
56
Which of the following is a command to have a message appear on the screen?
write
msg
input
print(Hello world!)
What is the result of the following operation?
print(1 + 4*3)
11
12
13
15
What is the value(?) if theoutput is 12
x = 5
y = ?
print (x+y)
"7"
=7
7
/7
What type of Machine Learning Algorithm is suitable for predicting the continuous dependent variable?
Logistic Regression
Linear Regression
Decision Tree Classifier
KNN Classifier
