The sum of the deviations about the mean is always______________?
A. Range
B. Zero
C. Total Standard Deviation
D. Positive
E. Negative
Basic Statistics Mcqs
The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?
The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?
A. Positively Skewed
B. Symmetrical
C. Asymptotic
D. Negatively Skewed
Which of the following describe the middle part of a group of numbers ?
Which of the following describe the middle part of a group of numbers ?
A. Measure of Variability
B. Measure of Central Tendency
C. Measure of Association
D. Measure of Shape
The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?
The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?
A. 60.4%
B. 48.3%
C. 35.7%
D. 27.8%
Which of the following is not based on all the observations ?
Which of the following is not based on all the observations ?
A. Arithmetic Mean
B. Geometric Mean
C. Harmonic Mean
D. Weighted Mean
E. Mode
You asked five of your classmates about their height. On the basis of this information, you states the average height of all student in your university or college is 67 inches. This is an example of____________?
You asked five of your classmates about their height. On the basis of this information, you states the average height of all student in your university or college is 67 inches. This is an example of____________?
A. Descriptive statistics
B. Inferential Statistics
C. Parameter
D. Population
making a entrance slip in service hospital is the method of collection of data by______________?
making a entrance slip in service hospital is the method of collection of data by______________?
A. Registration
B. Entry
C. Correspondents
D. none of these
Results obtained by counting are_____________?
Results obtained by counting are_____________?
A. Continuous
B. Discrete
C. Both (a) and (b)
D. None of these
Eyes color of employees is the example of____________?
Eyes color of employees is the example of____________?
A. Continuous variable
B. Constant variable
C. Discrete variable
D. Attribute
f1x12 + f2x22 + —————+ fxx42=___________?
f1x12 + f2x22 + —————+ fxx42=___________?
A. Σu1=1 ƒ ixi2
B. Σni-1 ƒ ixi2
C. Σpi=1 ƒ ixi2
D. Σmi=1 ƒ ixi2