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القناة الأساسية
@stepbystep001

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المحاضرة التاسعة
Data Structure is the art & science of telling stories in data
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46%
T
54%
F
Big data changes the decision making process
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84%
T
16%
F
Discrete data can be used to make decisions on its own
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40%
T
60%
F
Information is the knowledge , data and the skills gained through experience
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38%
T
62%
F
Relationships between .... can yield insight
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58%
Data
30%
Information
12%
Knowledge
Insight is that moment when there's a breakthrough result that comes out
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90%
T
10%
F
Data visualization aids in the quick and effeicient analysis of data and offering easy to understand visual representation of data
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89%
T
11%
F
Visualization isn't a central tool in finding patterns and trends in the data
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20%
T
80%
F
is used to comparing data across categories
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11%
Pie chart
74%
Bar graph
7%
Box plot
7%
Line Graph
In bar graph each row represents a group defined by a specific category
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59%
T
41%
F
is showing percentages on a single space or across a map
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83%
Pie chart
4%
Bar graph
8%
Line Graph
5%
Box plot
Box plot is also known as Box & whisker
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88%
T
12%
F
is used in displaying the distribution of data
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23%
Heat Map
68%
Box Plot
9%
Line Graph
In scatter plot you may have only positive correlation or negative correlation
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46%
T
54%
F
It is said to be .... if one variable increases so does the other variable
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87%
Positive correlation
13%
Negative correlation
It is said to be .... if one variable increases the other variable decreases
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13%
Positive correlation
87%
negative correlation
Bubble chart displays data in two dimenstions, (x,y) location and the quantity
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44%
T
56%
F
Visual representation of a specific continous numerical feature as a function of two other discrete features in the dataset
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10%
Table
11%
Scatter Plot
73%
Heat Map
6%
Bubble chart
we use simple text when we have ... numbers to share
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9%
more than 2
18%
1 only
61%
1 or 2
12%
Any