# Stats with Python MCQs Solution | TCS Fresco Play | Fresco Play | TCS

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All Question of the MCQs Present Below for Ease Use Ctrl + F with the question name to find the Question. All the Best!All Question of the MCQs Present Below for Ease Use Ctrl + F with the question name to find the Question. All the Best!

If you found answer for any of the questions is

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1. All outcomes of a sample space are mutually exclusive. State if it is true or false

**TRUE**

2. Which of the following expression represents a normal distribution with mean 2.0 and variance 4.0? stats is imported from scipy

**stats.norm(loc=2.0, scale=2.0)**

3. Which of the following method from numpy.random module can be used to select few elements randomly from a population

**choice**

4. Which of the following function in numpy.random module is used to generate uniformly distributed numbers from range [0, 1]

**rand**

5. Which of the following method represent cumulative distribution function of a defined distribution available in scipy.stats module

**cdf**

6. Null hypothesis is accepted if p-value is lower than predetermined significance value. State if it is true or false

**FALSE**

7. Type I error occurs when

**a true null hypothesis is rejected.**

8. An alternative hypothesis states there is no effect. State true or false

**FALSE**

9. Which of the following function is used to test if categorical data occurs with given frequency

**stats.chi2**

10. Which of the following function is used to test non-correlation between two variables

**stats.cov**

11. The patsy formula y ~ x1*x2 is equivalent to which of the following expressions?

**y ~ x1 + x2 + x1*x2**

12. Regression functions in statsmodels library, can just take a patsy formula as input as you compute the respective regression model. State if it is true or false

**FALSE**

13. How many independent variables are considered in the patsy formula

**'y ~ I(x1 + x2) 1**

14. Which of the following patsy formula ignores the intercept

**y ~ x1 + x2 + x1*x2**

15. Which sign separates dependent variable from independent variables, in a patsy formula?

**~**

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