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Statistical inference is the process of using data from a sample to make estimates or predictions about a population. In regression analysis, we use statistical methods to model the relationship between a dependent variable and one or more independent variables.

Que.Which of the following goal is incorrectly represented in the below figure? a. Relationship between variables b. Distribution of variables c. Inference about relationships d. Causal

Que.Which of the following function can be replaced with the question mark in the below figure? a. boxplot b. lplot c. levelplot d. all of the mentioned

Que.Which of the following outcome is odd man out in the below figure? a. R Squared b. Kappa c. RMSE d. All of the mentioned

Que.Which of the following is the probability calculus of beliefs, given that beliefs follow certain rules? a. Bayesian probability b. Frequency probability c. Frequency inference d. Bayesian inference

Que.Point out the correct statement. a. Bayesian inference is the use of Bayesian probability representation of beliefs to perform inference b. NULL is the standard missing data marker used in S c. Frequency inference is the use of Bayesian probability representation of beliefs to perform inference d. None of the mentioned

Show Answer Bayesian inference is the use of Bayesian probability representation of beliefs to perform inference

Que.Which of the following can be considered as random variable? a. The outcome from the roll of a die b. The outcome of flip of a coin c. The outcome of exam d. All of the mentioned

Que.Which of the following random variable that take on only a countable number of possibilities? a. Discrete b. Non Discrete c. Continuous d. All of the mentioned

Que.Point out the wrong statement. a. A random variable is a numerical outcome of an experiment b. There are three types of random variable c. Continuous random variable can take any value on the real line d. None of the mentioned

Show Answer There are three types of random variable

Que.Which of the following is also referred to as random variable? a. stochast b. aleatory c. eliette d. all of the mentioned

Que.Bayesian inference uses frequency interpretations of probabilities to control error rates. a. True b. False c. May be True or False d. Can’t say

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