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Recent questions tagged statistics

1 1 vote
1 1 answer
946
946 views
What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
488
488 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
809
809 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
555
555 views
What is summary statistics?
1 1 vote
1 1 answer
13.9k
13.9k views
What is the difference between univariate and multivariate analysis?
1 1 vote
1 1 answer
1.7k
1.7k views
What is the purpose of randomization in statistics?
1 1 vote
1 1 answer
3.1k
3.1k views
In statistics, whats the difference between contingency and frequency tables?
1 1 vote
1 1 answer
799
799 views
Which scenarios among the following are a valid reason to use regularization?
A. To drop the least useful variables of a modelB. To reduce over-fittingC. To reduce the bias of a modelD. To decrease p-value
1 1 vote
1 1 answer
580
580 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?...
2 2 votes
1 answers 1 answer
561
561 views
What is the use of the Poisson Distribution?
Also, when would one use this distribution ?
1 1 vote
1 answers 1 answer
878
878 views
How do we determine if two events are independent
0 0 votes
1 answers 1 answer
526
526 views
In the context of probability, what is the "event space"
0 0 votes
1 answers 1 answer
5.1k
5.1k 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?
0 0 votes
1 answers 1 answer
494
494 views
How do histograms help us understand a data set?
2 2 votes
1 answers 1 answer
541
541 views
What is a discrete random variable?
0 0 votes
1 answers 1 answer
731
731 views
What is the difference between permutation and combination?
0 0 votes
1 answers 1 answer
786
786 views
What is the difference between Qualitative and Quantitative data?
4 4 votes
1 1 answer
1.0k
1.0k views
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?
1 1 vote
0 0 answers
619
619 views
What is the probability of getting a King of Hearts?
What is the probability of picking a King of Hearts in a standard 52 card deck?
2 2 votes
1 1 answer
1.4k
1.4k views
Define measures of center (Median and Mode) ?
Define the 2 measures of centers.
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