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Recent questions tagged statistics

1 1 vote
1 1 answer
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What is P-value in Statistical Testing?
What is P-value in Statistical testing?
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1 1 answer
590
590 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
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883
883 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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601 views
What is summary statistics?
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What is the difference between univariate and multivariate analysis?
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What is the purpose of randomization in statistics?
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1 1 answer
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In statistics, whats the difference between contingency and frequency tables?
1 1 vote
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992 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
690
690 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?...
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1 answers 1 answer
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686 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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986 views
How do we determine if two events are independent
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1 answers 1 answer
625
625 views
In the context of probability, what is the "event space"
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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
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593 views
How do histograms help us understand a data set?
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649 views
What is a discrete random variable?
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867 views
What is the difference between permutation and combination?
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1 answers 1 answer
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915 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?
1 1 vote
0 0 answers
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779 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?
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Define measures of center (Median and Mode) ?
Define the 2 measures of centers.
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