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2
2 votes
1
1 answer
944
944 views
What do population, parameter, census and sample mean in statistics?
Deep Patel
700
points
8
8
11
asked
Oct 12, 2018
general
statistics
+
–
1
1 vote
1
1 answer
837
837 views
Sample question of permutation and combination.
You can bring along 2 friends! you have 5 friends who want to come along. How many different groups of friends could you take with you?
Rathin
820
points
10
11
13
asked
Oct 12, 2018
general
statistics
combination
+
–
1
1 vote
1
1 answer
1.1k
1.1k views
{1.75, 1.63, 1.55, 1.92, 1.81, 1.79, 1.81}. Determine the mean, the median, and the 20th percentile?
Rathin
820
points
10
11
13
asked
Oct 12, 2018
general
statistics
mean
median
+
–
1
1 vote
1
1 answer
1.5k
1.5k views
What is difference between discrete numerical variable and continuous numerical variable?
Rathin
820
points
10
11
13
asked
Oct 12, 2018
general
statistics
+
–
1
1 vote
1
1 answer
836
836 views
How should I reduce file size of a word document when I attach high resolution pictures?
I need to submit an assignment in Word Document format, and the size of file is so big after attaching the photos taken by my cell-phone, what should I do?
Math
450
points
5
5
9
asked
Oct 12, 2018
General
ms-word
picture
compression
+
–
1
1 vote
0
0 answers
578
578 views
What are the main steps in making a decision tree?
paper
160
points
2
2
2
asked
Oct 11, 2018
Data Science Interview Questions
data-science
decision-tree
interview
+
–
1
1 vote
0
0 answers
1.1k
1.1k views
Please explain Linear Regression with an example?
paper
160
points
2
2
2
asked
Oct 11, 2018
Data Science Interview Questions
data-science
linear-regression
interview
+
–
3
3 votes
1
1 answer
5.4k
5.4k views
How many unique ways are there to arrange the letters in the word PRIOR?
mobeenraza
900
points
8
8
11
asked
Oct 11, 2018
Statistics
statistics
+
–
2
2 votes
1
answers
1 answer
675
675 views
If a die is rolled, find the probability of rolling an even number
mobeenraza
900
points
8
8
11
asked
Oct 11, 2018
Statistics
statistics
+
–
1
1 vote
1
answers
1 answer
1.3k
1.3k views
What is the difference between Descriptive Statistics and Inferential Statistics?
mobeenraza
900
points
8
8
11
asked
Oct 11, 2018
Statistics
statistics
+
–
2
2 votes
1
answers
1 answer
894
894 views
What is the Empirical Rule?
andystanley
1.1k
points
8
9
11
asked
Oct 11, 2018
Statistics
statistics
+
–
3
3 votes
1
answers
1 answer
582
582 views
A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.
A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.What is the distribution of x?What is the expected value of x?Is it smart to...
andystanley
1.1k
points
8
9
11
asked
Oct 11, 2018
Statistics
statistics
+
–
2
2 votes
1
answers
1 answer
1.1k
1.1k views
What is the difference between joint and conditional probability?
andystanley
1.1k
points
8
9
11
asked
Oct 11, 2018
Statistics
statistics
+
–
2
2 votes
1
answers
1 answer
689
689 views
Two coins are flipped. What is the probability of getting heads twice?
andystanley
1.1k
points
8
9
11
asked
Oct 11, 2018
Statistics
probability
statistics
+
–
1
1 vote
0
0 answers
470
470 views
What is the difference between Combination and Permutation?
As an example:Calculate the possible permutations for a rubik's cube?Why is it not, calculate the possible combinations for a rubik's cube?
dervinis
130
points
1
1
asked
Oct 11, 2018
general
statistics
permutation
combination
+
–
1
1 vote
0
0 answers
545
545 views
How to return the outliers by having a list of numbers ?
interview
1.4k
points
16
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
statistics
outlier
boxplot
percentile
+
–
1
1 vote
0
0 answers
441
441 views
Why do we need big data to train Deep Neural Networks?
interview
1.4k
points
16
19
23
asked
Oct 8, 2018
Machine Learning Interview Questions
deep-learning
machine-learning
big-data
+
–
1
1 vote
0
0 answers
505
505 views
Why might it be preferable to include fewer features (predictors) over many?
interview
1.4k
points
16
19
23
asked
Oct 8, 2018
Machine Learning Interview Questions
machine-learning
feature-engineering
feature-selection
feature-reduction
overfitting
+
–
1
1 vote
1
1 answer
1.9k
1.9k views
What are Natural Language Processing (NLP) and its applications?
interview
1.4k
points
16
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
machine-learning
nlp
+
–
1
1 vote
0
0 answers
602
602 views
Can you explain the percentiles and quartiles and their applications?
interview
1.4k
points
16
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
statistics
percentile
quantile
+
–
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