SciPy - Statistical Functions (scipy.stats) Basics
Which of the following is the correct syntax to create a Poisson random variable with mean 4 using scipy?
Which of the following is the correct syntax to create a Poisson random variable with mean 4 using scipy?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Check scipy.stats.poisson constructor syntax
The Poisson distribution object is created by passing the mean as the first positional argument, e.g., poisson(4).Step 2: Validate other options
poisson(mu=4) uses mu=4 which is incorrect keyword, .mean(4) and .random(4) are not valid constructors.Final Answer:
poisson(4) -> Option BQuick Check:
Constructor uses positional mean [OK]
Quick Trick: Use positional argument for mean in poisson() [OK]
Common Mistakes:
MISTAKES- Using mu= keyword
- Calling mean() as constructor
- Using random() instead of rvs()
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