Basic of Statistics MCQ's
- Sample is a subset of population. True
- Is the process of applying logical or statistical techniques to evaluate and describe data in a meaningful way. Data Analysis
- Holds the responsibility of describing the data collected. Statistics
- Descriptive Statistics works on __________ dataset. Sample
- __________ calculates the number of events occurring in a specific period, when given the average number of times the event occurs in that time span.Poisson Distribution
- The Hypothesis test process contains __________ steps. 5
- Measures of Central Tendency includes __________. All the options
- P-Value measures the strength of evidence in support of a null hypothesis. True
- __________ is calculated by multiplying each of the possible outcomes in the sample space with the likelihood of their occurrence, and then summing up all the values. Expected Value
- The process of setting up a range of values within which a parameter is included is called __________. Confidence Intervals
- The __________ states that no significant difference exists between a set of variables. Null Hypothesis
- The probability of an event ( B ), given that another ( A ) has already occurred is denoted by __________. P(A AND B)
- Probability of getting either a King or Queen card in a deck of cards is an example of __________. Non-mutually Exclusive Event
- Statistical Hypothesis is an assumption about Sample Parameter. False
- Any event containing two or more elements of the sample space is known as a ___________. Mutually Exclusive Event
- What variable can take only a countable number of values? Discrete
- Null Hypothesis must be rejected if P-Value is __________ than Significance Level. Lesser
- In __________ test, the region of rejection is only on one side of the sampling distribution. One-tailed
- The probability of committing a Type 1 error is called __________. Significance Level
- A set of events devouring the entire sample space is called __________. Exhaustive Event
- The letter e in a Poisson experiment denotes __________. A constant whose value is approximately 2.71828
- Alternative Hypothesis states that no significant difference exists between a set of variables. True
- An entertainment company specifies that its employees must weigh between 40 kgs - 50 kgs. If X is the random variable denoting the weights of employees, X is a __________ random variable. Continuous
- __________ represents the outcome of a statistical experiment in numerical values. Random Variable
- The probability of not committing a __________ error is called Power of Test. Type 2
- In a Binomial experiment, the letter P is used to denote __________. The probability of success on an individual trial
A Discrete Random value can take any value within an interval on the real line. - F Distribution and T Distribution are examples of __________. Continious
- __________ enable to observe data dispersion from a central point. Range, Standard Deviation, and Variance
Null Hypothesis and Alternative Hypothesis must be __________. - In a __________ experiment, each trial can result in either of the two outcomes only. Binomial
The process of testing specific values of a parameter is called __________.
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DeleteHypothesis testing
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ReplyDeleteIf another event does not influence the Occurance of an event. It is called a department event
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