Comp2mm STAT Warm Up
This quiz is graded and will evaluate your knowledge in statistics.
- 1.Methods of organizing, summarizing, and presenting data in an informative way
- A.
Descriptive Statistics
- B.
Inferential Statistics
- C.
Informative Statistics
- D.
Theoretical Statistics
- E.
Statistics
- 2.The methods used to determine something about a population, based on a sample
- A.
Descriptive Statistics
- B.
Inferential Statistics
- C.
Informative Statistics
- D.
Theoretical Statistics
- E.
Sampling
- 3.The entire set of individuals or objects of interest or the measurements obtained from all individuals or objects of interest
- A.
Statistics
- B.
Observation
- C.
Sample
- D.
Population
- E.
Portion
- 4.A portion or part of the population of interest
- A.
Statistics
- B.
Observation
- C.
Sample
- D.
Population
- E.
Portion
- 5.According to the latest Pulse Asia which surveyed 2,400 Filipinos, 95% of the Filipinos do not want Boy Abunda to be the secretary of the Department of Tourism. This is an example of ____________ statistics.Ma
- 6.Marital status, gender, and brand names are examples ______________ variables.
- 7.Quantitative variables which are ___________ can assume only certain values, and there are usually gaps between the values.
- 8.It can assume any values within a specific range
- A.
Quantitative variables
- B.
Discrete variables
- C.
Flowing variables
- D.
Continuous variables
- E.
Qualitative variables
- 9._________level data can only be classified. E.g. Cellphone networks
- A.
Nominal
- B.
Ordinal
- C.
Interval
- D.
Ratio
- E.
Proportion
- 10.___________ level data can be ranked. E.g. ITEO Faculty Evaluation
- A.
Nominal
- B.
Ordinal
- C.
Interval
- D.
Ratio
- E.
Proportion
- 11.________ level data includes the characteristics of the ordinal level, but in addition, the difference between values is a constant size. E.g. Income bracket
- A.
Nominal
- B.
Ordinal
- C.
Interval
- D.
Ratio
- E.
Proportion
- 12.A grouping of data into mutually exclusive classes showing the number of observations in each is called ________________.
- 13.The range between classes/group is called _________
- A.
Raw data
- B.
Interval
- C.
Distribution
- D.
Frequency
- E.
Count
- 14.The highest and lowest value of a class or group is called
- A.
Class constraint
- B.
Class limit
- C.
Class range
- D.
Class width
- E.
Class interval
- 15._____________ shows the fraction of the total number of observations in each class.
- A.
Percentage
- B.
Ratio
- C.
Proportion
- D.
Relative frequency
- E.
Frequency distribution
- 16.One advantage of using stem-and-leaf technique is
- A.
It maintains the identity of the observation
- B.
It is easier to execute
- C.
It is more accurate
- D.
It is widely used and accepted
- E.
It looks good in presentations
- 17.A characteristic of the population
- A.
Inference
- B.
Parameter
- C.
Statistic
- D.
Mean
- E.
Average
- 18.A character of the sample
- A.
Inference
- B.
Parameter
- C.
Statistic
- D.
Mean
- E.
Average
- 19.The average of the sample
- A.
Sample mean
- B.
Population mean
- C.
Sample median
- D.
Population mode
- E.
Mean
- 20.The midpoint values after they have been in ordered from the smallest to largest, or largest to smallest.
- A.
Mean
- B.
Median
- C.
Mode
- D.
Average
- E.
Middle observation
- 21.The value of the observation that appears most frequently
- A.
Mean
- B.
Median
- C.
Mode
- D.
Average
- E.
Middle observation
- 22.The bell-shaped curve is called ________ curve.
- 23.If the curve is positively skewed, it means the the curve is skewed to the right.
- A.
True
- B.
False
- C.
Neither true nor false
- 24.The arithmetic mean of the squared deviations from the mean.
- A.
Variance
- B.
Dispersion
- C.
Standard Error
- D.
Range
- E.
Spread
- 25.The square root of the variance
- A.
Square-variance
- B.
Dispersion
- C.
Standard Error
- D.
Range
- E.
Spread
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