WorksheetsStats Quiz
Total questions: 10
Worksheet time: 5mins
What is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data?
Mathematics
Statistics
Economics
Biology
Which distribution is used extensively in inferential statistics?
Poisson distribution
Binomial distribution
Normal distribution
Exponential distribution
What type of study involves manipulating the system and then taking additional measurements?
Observational study
Experimental study
Longitudinal study
Case study
Which type of statistics summarize data from a sample using indexes such as the mean or standard deviation?
Descriptive statistics
Inferential statistics
Computational statistics
Bayesian statistics
What is the term for the error when the null hypothesis is rejected when it is in fact true?
Standard error
Mean squared error
Type II error
Type I error
Which method is used for obtaining efficient estimators?
Bayesian estimation
Method of moments
Maximum likelihood method
Least squares method
What does a confidence interval provide?
The mean of a sample
An estimate of the range of values within which a population parameter lies
The standard deviation of a sample
The variance of a population
Who made major contributions to probabilistic methods leading to statistics?
Albert Einstein
Carl Friedrich Gauss
Leonhard Euler
Isaac Newton
What is the main goal of a statistical research project?
To summarize data
To describe phenomena
To investigate causality
To compute probabilities
Which scale of measurement allows for any rescaling transformation?
Ratio scale
Interval scale
Ordinal scale
Nominal scale
