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