Introduction to statistics quiz with answers
1.
The difference between the largest and the smallest data values is the
Answer: Coefficient of variation
2. Sample statistics are denoted by the
Answer: Roman letters
3. Probability of rejecting the null hypothesis when it is true is called
Answer: Type-I error
4. The most frequently occurring value of a data set is called the
Answer: Mode
5. Procedures of descriptive statistics and control charts which are used to improve process are classified as
Answer: Statistical tools
6. In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be
Answer: 0
7. The measurement scale which allows the determination of differences in intervals is classified as
Answer: Interval scale
8. If x is 48, Median is 47, Mode value will be
Answer: 45
9. In a five number summary, which of the following is not used for data summarization?
Answer: The largest value
10. Which is not a restricted random sampling technique?
Answer: Simple random sampling
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