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Statistics&Probability for DS Flashcards | StudBud
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Statistics&Probability for DS
Statistics&Probability for DS
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1
What is the term for the value that
occurs most frequently
in a data set?
Mode
Mean
Median
Parameter
2
What is the term for
the difference between the highest and lowest values
in a data set?
Variance
Lower quartile
Range
Difference
3
In statistics, what does ‘
sample
’ mean?
A subset of data chosen from a larger population
A graphical representation of data
The process of collecting data
The entire group being studied
4
In probability, what is the number of total outcomes when two dice are rolled?
24
36
12
6
5
What is the example of
"quantitative" data
?
Colors of cars in a parking lot
Names of cities in a country
Types of fruit in a basket
Number of students in a classroom
6
What is the value that lies
much higher or lower
than other values in a data set?
Outlier
Mean
Median
Mode
7
What is this graph called?
Scatter plot
Line graph
Bar plot
Pie chart
8
What is this graph called?
Bar plot
Pie chart
Scatter plot
Line graph
9
What does a probability of 0 indicate about an event (
P(A)=0
)?
C. The event is neutral
The event is certain to happen
No data is available about the event
The event will not happen
10
In statistics, what is
the entire group
being studied called?
Population
Study set
Sample
Mean
11
What is the term for
the middle value
in an ordered list of data?
Median
Mode
Mean
Parameter
12
What is the example of ‘ordinal’ data?
T-shirt sizes (Small, Medium, Large)
The temperature in degrees
Hair color (blonde, brown, black)
Age (..., 17, 18, 19, ...)
13
If you roll a dice, what is the probability of rolling a number greater than 4?
1/3
2/3
1/3
1/6
14
What does ‘
mean
’ represent in statistics?
The sum of all values in a set divided by the total number
The most frequently occurring value in a set
Difference between the highest and lowest values
The middle value in a data set
15
What is the definition of
‘data’
in statistics?
A single number
Information collected for analysis
A graph
A mathematical equation
