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Recent questions in Data Science

1 1 vote
1 1 answer
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What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
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587 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
878
878 views
In the first week of November 2003.... What is the expected number of homicides per week in the GTA?
This is from question one from lecture 4B's exercises: "In the first week of November 2003, five unrelated homicides were reported in the GTA. The GTA usually has about 7...
1 1 vote
1 1 answer
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In statistics, whats the difference between contingency and frequency tables?
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1 1 answer
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588 views
How do you copy a list without updating the original list?
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826 views
What is unsupervised learning?
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How to discover outliers of a data frame?
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What are basic steps for treating missing values?
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1 1 answer
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744 views
What are the general steps in data cleaning?
1 1 vote
1 1 answer
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682 views
How do you tell a permutation problem from a combination problem?
Given the questions:1. How many different groups of 4 students can be made from a class of 40?and2. How many different lists of 4 students can be made from a class of 40?...
4 4 votes
1 1 answer
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Logstash takes more than 48 hours to ingest 10 GB CSV file. Is there a way to expedite?
I have a 10 GB CSV file and it takes more than 48 hours for logstash installed on my laptop to ingest the whole data. Is there a way to accelerate this process?
2 2 votes
1 answers 1 answer
685
685 views
What is the use of the Poisson Distribution?
Also, when would one use this distribution ?
1 1 vote
1 answers 1 answer
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980 views
How do we determine if two events are independent
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1 answers 1 answer
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622 views
In the context of probability, what is the "event space"
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1 answers 1 answer
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5.2k views
What is the "Three-Standard-Deviations Rule"
This rule is also known as the "68–95–99.7 rule". What does this rule stand for and how does it help me?
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1 answers 1 answer
590
590 views
How do histograms help us understand a data set?
2 2 votes
1 answers 1 answer
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643 views
What is a discrete random variable?
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1 answers 1 answer
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861 views
What is the difference between permutation and combination?
0 0 votes
1 answers 1 answer
911
911 views
What is the difference between Qualitative and Quantitative data?
4 4 votes
1 1 answer
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If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
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