Test
Descriptive Statistics
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (40)
1[blank_start]Cross-sectional data[blank_end]: Data collected from several entities at the same, or approximately the same, point in time
- ACross-sectional data
2[blank_start]Variable[blank_end]: A characteristic or a quantity of interest that can take on different values
- AVariable
3[blank_start]Random variable[blank_end]/uncertain variable: A quantity whose values are not known with certainty
- ARandom variable
4[blank_start]Population[blank_end]: All elements of interest
- APopulation
5[blank_start]Observation[blank_end]: Set of values corresponding to a set of variables
- AObservation
6[blank_start]Data[blank_end]: The facts and figures collected, analyzed, and summarized for presentation and interpretation
- AData
7[blank_start]Variation[blank_end]: The difference in a variable measured over observations
- AVariation
8[blank_start]Random sampling[blank_end]: A sampling method to gather a representative sample of the population data
- ARandom sampling
9[blank_start]Sample[blank_end]: Subset of the population
- ASample
10[blank_start]Quantitative data[blank_end]: Data on which numeric and arithmetic operations, such as addition, subtraction, multiplication, and division, can be performed
- AQuantitative data
11[blank_start]Time series data[blank_end]: Data collected over several time periods
- ATime series data
12[blank_start]Percent frequency distribution[blank_end]: Summarizes the percent frequency of the data for each bin
- APercent frequency distribution
13[blank_start]Relative frequency distribution[blank_end]: It is a tabular summary of data showing the relative frequency for each bin
- ARelative frequency distribution
14nonoverlapping classes, typically referred to as: [blank_start]bins[blank_end]
- Abins
15[blank_start]Frequency distribution[blank_end]: A summary of data that shows the number (frequency) of observations in each of several nonoverlapping classes
- AFrequency distribution
16[blank_start]Nonexperimental study[blank_end]: Make no attempt to control the variables of interest
- ANonexperimental study
17A [blank_start]survey[blank_end] is perhaps the most common type of observational study
- Asurvey
18[blank_start]Experimental Study[blank_end]: one or more other variables are identified and controlled or manipulated so that data can be obtained about how they influence the variable of interest
- AExperimental Study
19[blank_start]Histogram[blank_end]: a common graphical presentation of quantitative data
- AHistogram
20[blank_start]Skewness[blank_end] is an important characteristic of the shape of a distribution
- ASkewness
21[blank_start]Mean[blank_end]: Average value for a variable.
- AMean
22[blank_start]Range[blank_end]: Found by subtracting the smallest value from the largest value in a data set
- ARange
23[blank_start]Geometric Mean[blank_end]: Used in analyzing growth rates in financial data.
- AGeometric Mean
24[blank_start]Mode[blank_end]: Value that occurs most frequently in a data set
- AMode
25[blank_start]Median[blank_end]: Value in the middle when the data are arranged in ascending order
- AMedian
26[blank_start]Skewness[blank_end]: Lack of symmetry
- ASkewness
27[blank_start]Cumulative frequency distribution[blank_end]: A variation of the frequency distribution that provides another tabular summary of quantitative data
- ACumulative frequency distribution
28[blank_start]Variance[blank_end]: measure of variability that utilizes data
- AVariance
29[blank_start]Coefficient of Variation[blank_end]: Measures the standard deviation relative to the mean.
- ACoefficient of Variation
30[blank_start]Standard deviation[blank_end]: positive square root of the variance
- AStandard deviation
31[blank_start]quartiles[blank_end]: when the data is divided to four equal parts
- Aquartiles
32[blank_start]z-score[blank_end]: measure the relative location of a value in the data set.
- Az-score
33Within 1 standard deviation—approximately [blank_start]68%[blank_end]of the data values
- A68%
34[blank_start]Outliers[blank_end]: Extreme values in a data set
- AOutliers
35[blank_start]Box plots[blank_end]: Graphical summary of the distribution of data
- ABox plots
36Within 2 standard deviations—approximately [blank_start]95%[blank_end] of the data values
- A95%
37[blank_start]Percentiles[blank_end]: Value of a variable at which a specified (approximate) percentage of observations are below that value
- APercentiles
38[blank_start]Correlation coefficient[blank_end]: measures the relationship between two variables
- ACorrelation coefficient
39[blank_start]Covariance[blank_end]: Descriptive measure of the linear association between two variables.
- ACovariance
40[blank_start]Scatter Chart[blank_end]: useful graph for analyzing the relationship between two variables
- AScatter Chart
Información
- Descripción
- Test sobre Descriptive Statistics, creado por Allona Mae Dapeg el 15/10/2021.
- Autor
- Allona Mae Dapeg
- Idioma
- English
- Visitas
- 0
- Valoración
- Aún sin valoraciones Valora este test