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Recent activity by Rathin

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568
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nonpooled independent samples t-interval method
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560
560 views
Computing the Confidence Interval for a Difference Between Two Means
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706
706 views
What is the T Distribution?
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661
661 views
How to calculate normal distribution?
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608
608 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
2 2 answers
819
819 views
What will be probability for the data items within mean +- 1, +-2, +-3 standard deviation?
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511
511 views
Question for Discrete random variable
An investor has a 0.60 probability of making a 20000 dollar profit and a 0.40 probability of suffering a 25000 dollar loss. What is the expected value?
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599
599 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?
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786
786 views
{1.75, 1.63, 1.55, 1.92, 1.81, 1.79, 1.81}. Determine the mean, the median, and the 20th percentile?
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1.2k
1.2k views
What is difference between discrete numerical variable and continuous numerical variable?