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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
683
683 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
960
960 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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3.4k views
In statistics, whats the difference between contingency and frequency tables?
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1 1 answer
674
674 views
How do you copy a list without updating the original list?
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1 1 answer
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935 views
What is unsupervised learning?
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1 1 answer
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How to discover outliers of a data frame?
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837 views
What are basic steps for treating missing values?
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1 1 answer
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877 views
What are the general steps in data cleaning?
1 1 vote
1 1 answer
797
797 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
791
791 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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How do we determine if two events are independent
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1 answers 1 answer
735
735 views
In the context of probability, what is the "event space"
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1 answers 1 answer
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5.4k 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
679
679 views
How do histograms help us understand a data set?
2 2 votes
1 answers 1 answer
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752 views
What is a discrete random variable?
0 0 votes
1 answers 1 answer
983
983 views
What is the difference between permutation and combination?
0 0 votes
1 answers 1 answer
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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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