Flashcards
DESCRIPTIVE STATISTICS /MCT
Cards in this deck (50)
- 168. Measures of central tendency do what?predict what the next value will be
- 269. The arithmetic mean of a data series is defined as…the sum of all data divided by the number of data
- 370. Arithmetic mean is equal to…to the sum of the numerical values of each and every observation divided by the total number of observations.
- 471. To what measures of central tendency does arithmetic mean belong?arithmetic or complete
- 572. Formula for calculating of arithmetic mean for interval-grouped data is…1/N * Z ci*fi
- 673. What is missing (in empty box) in formula for calculating of arithmetic mean for interval-grouped data 1 1 k i i X c N = = × × ?fi
- 774. Formula for calculating of arithmetic mean for non-interval-grouped data is…1/N*Zxi
- 875. The arithmetic mean uses every value in the sample of the variable to calculate the statistic?true
- 976. If we multiply each observation by the same constant, the arithmetic mean of the new variable is equal to…product of the constant and the arithmetic mean of the original variable
- 1077. If we add the same constant to each observation, the arithmetic mean of the new variable is equal to the…the sum of the constant and the arithmetic mean of the original variable
- 1178. The harmonic mean is…the reciprocal value of the arithmetic mean of the reciprocal value of the observation
- 1279. Which of the following statistical measures is sensitive to outliers?Mean
- 1380. The geometric mean is…the Nth root of the product of all observation
- 1481. To what measures of central tendency does harmonic mean belong?arithmetic or complete
- 1582. Formula for calculating of geometric mean for non-interval-grouped data is…1/N*suma od xi*fi
- 1683. What is missing (in empty box) in formula for calculating of geometric mean for non-grouped data 1 N i i G x = = Õ ?N
- 1784. The sum of deviations of observations from the arithmetic mean is equal to…0
- 1885. The average salary in company X was 800 KM. If the employee structure has not changed, the new average salary, in case that the salary of each employee was increased by 40%, is…1,120
- 1986. If we have a series of data that are all equal to a constant c, then the arithmetic mean of the series is equal to the…c
- 2087. Measure of central tendency used to express the indirect relation is…harmonic mean
- 2188. The average salary in company X was 800 KM. If the employee structure has not changed, the new average salary, in case that the salary of each employee was increased by 60 KM, is…860
- 2289. Formula for calculating of harmonic mean for non-grouped data from population is…napisi sebi
- 2391. For the variable “motion speed” in relation to the population of “distance traveled”, we calculated that the measure of mean value is 75 km/h. In the calculation, we used…harmonic mean
- 2492. For the data series: 15; 20; 14; 21; 28; the arithmetic mean is…19,6
- 2593. Formula for calculating of harmonic mean for interval-grouped data from sample is…nadji
- 2694. The distribution on household income tends to be skewed to the right, with a relatively few households making a large salary. Which measure of central tendency would be the best measure of the center of this distribution?Median
- 2795. To what measures of central tendency does mode belong?positional or incomplete
- 2896. The theoretical relative increasing cumulative frequency of the median is…50%
- 2997. The median is determined based on…the increasing cumulative frequency
- 3098. The theoretical absolute increasing cumulative frequency of the median is…N/2
- 3199. The mod is…the most frequent value
- 32100. To what measures of central tendency does median belong?positional or incomplete
- 33101. The median of interval-grouped data is calculated by interpolation on the basis of the following formula…formula za medijan za intervale nadji
- 34104. The median divides the statistical series in…two equal parts
- 35formula za mod kod intervalne serijenadji
- 36107. The mode is graphically determined on…histogram
- 37108. Quartiles divide the statistical series in…four equal parts
- 38109. How much data of a statistically arranged series is placed between the first and the third quartile?50%
- 39110. How much data of a statistically arranged series is placed between the second and the third quartile?25%
- 40111. How much data of a statistically arranged series is placed between the median and the third quartile?25%
- 41112. Formula for calculating of mode for interval-grouped data is…nadji
- 42113. In statistical frequency distribution, the mode is the data that…is repeated the most times in the series
- 43114. In statistical frequency distribution, the median is the data that…divides a statistical series in two halfs
- 44115. The theoretical relative increasing cumulative frequency of the first quartile is…25%
- 45116. The theoretical relative increasing cumulative frequency of the third quartile is…75%
- 46117. When distribution tends to be skewed, most appropriate measure of central tendency is…median
- 47118. The theoretical absolute increasing cumulative frequency of the first quartile in population is…N/4
- 48119. The theoretical absolute increasing cumulative frequency of the third quartile in population is…3N/4
- 49120. The mod data is read on the basis of…The highest frequency
- 50121. The median is graphically determined on…the increasing cumulant (ogive)