# Basics of Statistics and Probability MCQs Solution | TCS Fresco Play

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**Assessment (Rules Of Probability)**

1.__________ provides the summary statistics of data.

- Descriptive Statistics
- Inferential Statistics

2.__________ is the process of applying logical or statistical techniques to evaluate and describe data in a meaningful way.

- Data Exploration
- Data Collection
- Data Analysis
- None of the options

3.__________ is an art of learning data.

- Statistics
- Probability
- Both the options
- None of the options

4.Descriptive Statistics works on __________ dataset.

- Sample
- Both the options
- Population

5.__________ holds the responsibility of describing the data collected.

- Statistics
- None of the options
- Probability
- Both the optionsn

6.__________ contains all the elements of a dataset.

- None of the options
- Event
- Sample
- Population

**Final Assessment**

- Simple Event
- Mutually Exclusive Event
- Dependent Event
- Compound Event

2.__________ calculates the number of events occurring in a specific period, when given the average number of times the event occurs in that time span.

- Binomial Distribution
- Poisson Distribution
- Normal Distribution
- Uniform Distribution

3.In a __________ experiment, each trial can result in either of the two outcomes only.

- Poisson
- Normal
- Binomial
- Uniform

4.__________ enable to observe data dispersion from a central point.

- None of the options
- Range, Standard Deviation, and Variance
- Range and Median
- Mean and Median
- Mean, Median, and Mode

5.__________ represents the outcome of a statistical experiment in numerical values.

- Event
- Random Variable
- Sample
- Population

6.The Hypothesis test process contains __________ steps.

- 3
- 4
- None of the options
- 5

7.Null Hypothesis must be rejected if P-Value is __________ than Significance Level.

- Greater
- Lesser

8.The probability of committing a Type 1 error is called __________.

- Power of Test
- All the options
- None of the options
- Significance Level

9.__________ helps to make inferences about a population.

- None of the options
- Inferential Statistics
- Descriptive Statistics
- All the options

10.Conditional Probability is denoted by __________.

- None of the options
- P(A|B)
- P(A AND B)
- P(A OR B)

11.When a probability function is used to describe a discrete probability distribution, it is called __________.

- Probability density function
- Cumulative Distributive Function
- Probability Mass Function
- None of the options

12.What variable can take only a countable number of values?

- All the options
- Discrete
- None of the options
- Continuous

13.P-Value measures the strength of evidence in support of a null hypothesis.

- False
- True
- 14.In a Binomial experiment, the letter P is used to denote __________.
- The probability of failure on an individual trial
- The probability of success on an individual trial
- Number of Trials
- None of the options

15.Measures of Central Tendency includes __________.

- Mean
- Median
- All the options
- Mode

16.Null Hypothesis and Alternative Hypothesis must be __________.

- Non-mutually exclusive
- Mutually exclusive

17.If another event does not influence the occurrence of an event, it is called a Dependent Event.

- False
- True

18.The __________ states that no significant difference exists between a set of variables.

- Alternative Hypothesis
- None of the options
- Null Hypothesis
- All the options

19.The letter e in a Poisson experiment denotes __________.

- All the options
- The mean number of successes that occur in a specified region
- The actual number of successes that occur in a specified region
- A constant whose value is approximately 2.71828
- None of the options

20.Formal procedures used by statisticians to accept or reject hypotheses is called __________.

- None of the options
- Hypothesis Testing
- Statistical Hypothesis

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