1. Is the collection of all elements under consideration in a statistical inquiry. A. Statistics B. Sample C. Population D. Data
1. Is the collection of all elements under consideration in a statistical inquiry.
A. Statistics
B. Sample
C. Population
D. Data
2. Is the branch of science that deals with the collection, organization, analysis,
interpretation, and presentation of data.
A. Statistics
B. Statistic
C. Parameter
D. Sample
3. The following statements indicates the use of
A. Last school year, the ages of students at PUP are from 16 to 21 years old.
B. A car manufacturer wishes to estimate the average lifetime of batteries by testing a sample of 50 batteries.
C. A basketball player wants to know his average score for the past 10 games.
D. Based on the data of NTC, the number of subscribers increased by 30% from 2015 to 2016.
4. The following statements indicates the use of
A. A manufacturer of light bulbs claims that their light bulbs lasts for 10,000 hours.
B. The yearly expenditures on food for 15 families is estimated to be P240,000.
C. A recent study showed that eating garlic can lower blood pressure.
D. A survey says that 1 out of 50 male is a member of a fitness center.
5. Is a collection of observations and considered as building blocks of statistical
science.
A. Data
B. Parameter
C. Variable
D. Statistic
6. Data that can be counted and assume only a countable number of
values.
A. Continuous
B. Variable
C. Qualitative
D. Discrete
7. The following are qualitative variables EXCEPT
A. plate number
B. zip code
C. daily intake of chocolates
D. blood type
8. The “time consumed on Facebook on a particular day” is what type of variable?
A. qualitative
B. continuous quantitative
C. discrete quantitative
D. cannot be determined
9. The following are quantitative variables EXCEPT
A. number of cars owned
B. monthly bill
C. weight of infants
D. license number
10. Which level of measurement has the characteristic of having an order and distance but no unique
origin?
A. nominal
B. ordinal
C. interval
D. ratio
11. Which of the following is NOT a probability sampling technique?
A. pure random sampling
B. quota sampling
C. systematic random sampling
D. cluster random sampling
12. This nonprobability sampling is a variation of stratified sampling, wherein samples are collected in each subgroup until the desired quota is met.
A. accidental sampling
B. cluster sampling
C. quota sampling
D. purposive sampling
14. Is a way of summarizing data by showing the number of observations that
belong in the different categories or classes.
A. frequency distribution
B. class frequency
C. class boundaries
D. class interval
15. Shows the number of observations with values greater than the lower class
boundary.
A. greater than cumulative frequency
B. less than cumulative frequency
C. frequency distribution
D. class mark
16. Shows the number of observations with values smaller than the upper class
boundary.
A. greater than cumulative frequency
B. less than cumulative frequency
C. frequency distribution
D. class mark
17. In constructing this, the class marks are placed on the horizontal axis, and the
class frequencies are on the vertical axis. In this presentation of data, bars are of the same width and are adjacent with each other.
A. ogive
B. histogram
C. relative frequency
D. frequency
18. A researcher plans to conduct a survey about drink preference of BSMath students of ABC University. If the population of students is 1500, use the Slovin’s formula to find the minimum sample size if the margin of error is 5%.
A. 315
B. 316
C. 317
D. 318
19. Which of the following is always true?
A. standard deviation can be less than 0
B. coefficient of variation is an absolute dispersion
C. mean can be used for qualitative data
D. standard deviation is always positive
For items 20-24 consider this data:
34.92, 35.5, 35.8, 36.1, 36.75, 37.12, 37.2, 37.3, 37.3, 37.5
20. Determine the mean.
A. 36.459
B. 36.549
C. 36.935
D. 37.3
21. Determine the median.
A. 36.459
B. 36.549
C. 36.935
D. 37.3
22. Determine the mode.
A. 36.459
B. 36.549
C. 36.935
D. 37.3
23. Determine the range.
A. 2.5
B. 2.58
C. 34.92
D. 37.5
24. Determine the standard deviation, rounded off to 4 decimal place values.
A. 0.8154
B. 0.8155
C. 0.9030
D. 0.9029
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