Data Science Mock Test 7

10%

Question 1 of 10

1. Which of the following is the oldest multiple testing correction?

Bernoulli correction

Likelihood correction

All of the mentioned

Bonferroni correction

Question 1 of 10

Question 2 of 10

2. Which of the following tool is used for estimating standard errors and the bias of estimators?

jackknife

knitr

ggplot2

all of the mentioned

Question 2 of 10

Question 3 of 10

3. Point out the wrong statement.

R cannot approximate quantiles for you for common distributions

A percentile is simply a quantile with expressed as a percent

There are two types of random variable

None of the mentioned

Question 3 of 10

Question 4 of 10

4. Which of the following condition should be satisfied by function for pmf?

The sum of all of the possible values is infinite

All of the mentioned

The sum of all of the possible values is 1

The sum of all of the possible values is 0

Question 4 of 10

Question 5 of 10

5. The _________ of a collection of data is the joint density evaluated as a function of the parameters with the data fixed.

likelihood

probability

all of the mentioned

poisson distribution

Question 5 of 10

Question 6 of 10

6. The expected value or _______ of a random variable is the center of its distribution.

mean

mode

median

bayesian inference

Question 6 of 10

Question 7 of 10

7. Which of the following form the basis for frequency interpretation of probabilities?

Asymmetry

Asymptotics

All of the mentioned

Symptotics

Question 7 of 10

Question 8 of 10

8. Which of the following testing is concerned with making decisions using data?

Probability

Hypothesis

Causal

None of the mentioned

Question 8 of 10

Question 9 of 10

9. Which of the following random variables are the default model for random samples?

pmd

iid

all of the mentioned

Question 9 of 10

Question 10 of 10

10. Which of the following goal is incorrectly represented in the below figure?

Causal

Distribution of variables

Relationship between variables

Inference about relationships

Question 10 of 10