
MSC ASM QUIZ_1
Authored by Aaron D'Lima
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The bias of an estimator is defined as:
The range within which the true parameter value lies
The variability of the estimator across different samples
The probability of rejecting a true null hypothesis
The difference between the estimator's expected value and the true value of the parameter
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about a good estimator is true?
It should have high variability.
It should be unbiased and consistent.
It should always equal the true population parameter.
It should be influenced heavily by outliers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a point estimator?
Confidence interval
Sample mean
Hypothesis test
Standard deviation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An estimator is consistent if:
It is unbiased for all sample sizes
It has a small standard error
It converges in probability to the true parameter as the sample size increases
It is efficient
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A statistic is sufficient if:
It uses all available sample data
It provides the best estimate of the population parameter
It contains all the information needed to estimate the parameter without any loss of information
It is unbiased and consistent
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An agricultural scientist is estimating the average yield per acre for a new crop variety. They calculate the sample mean and find it has the smallest variance among all unbiased estimators of the population mean. What property of the estimator does this demonstrate?
Consistency
Efficiency
Sufficiency
Likelihood
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A teacher records the grades of students in a large class on a recent exam. The grades are evenly distributed between 50 and 100. Which probability distribution is most appropriate for modeling the grades?
Binomial Distribution
Poisson Distribution
Normal Distribution
Uniform Distribution
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