Fichas
BUS 272
Fichas del conjunto (50)
- 1A measure of relative variability computed by dividing the standard deviation by the mean and mulitplying by 100.Coefficient of Variation
- 2a measure of linear association between two variables.Covariance
- 3A rule that can be used to compute the percentage of data alue that must be within one, two, and three standard deviations of the mean for data that ehibit a bell-shaped distribution.Empirical Rule
- 4A meaure of location that is calcuated by finding the nth root of the product of n n values.Geometric mean
- 5A measure of central location computed by summing the data values and dividing by the number of observations.Mean
- 6A measure of central location provided by the alue in the middle when the data are arranged in ascending order.Median
- 7The use of data to make estimates and test hypothesis about the characteristics of a populationStatistical Inference
- 8Scienttific process of transforming data into insight for making better decisionsAnalytics
- 9Encompassees the set of analytical techniqutes that describes what happened in the past.Descriptive Analytics
- 10Techniques that use models constructed from past data to predict the future or to assess the impact of one variable on another.Predictive Analytics
- 11Large and complex data setsbig data
- 12Deals with methods of developing useful decision-making information from large datasetsData mining
- 13data grouped by specific categoriescategorical variable
- 14data that use numeric valuesquantitative variable
- 15summaries of datadescriptive statistics
- 16the larger group of elements in a particular studypopulation
- 17the smaller group or subset of the populationsample
- 18facts and figures collected, analyzed and summarized for presentaion and interpretationdata
- 19A table used to summarize the analysis of variance computations and resultsAVOVA Table
- 20A study in which the investigator controls the value of one or more variable believed to be related to the outcome of interest, and then measures and records the outcomeExperimental Statistical Study
- 21Another word for the independent variable of interestFactor
- 22A study in which the investigator observes the outcome of interest and possible values or one or more variables believed to be related to the outcome without controlling the values of any variables, and them measures and records the outcome.Observational study
- 23Different levels of a factortreatments
- 24The objects of interest in the experimentExperimental Units
- 25Statistical procedures that can be used to conduct statistical comparisons between pairs of population meansMultiple comparison procedures
- 26A measure of the goodness of fit of the estimated regression equationcoefficient of determination
- 27The variable that is being predicted or explaineddependent variable
- 28The estimate of the regression equation developed from sample data using the least squares methodEstimated regression equation
- 29the variable that is doing the predicting or explainingindependent variable
- 30A procedure used to deveope the stimated regression equationdleast squares method
- 31A data point or observation that does not fit the trend shown by the remaining dataoutlier
- 32Graphical representation fo the residuals that can be used to determine whether the assumptions made about the regression model appear to be validresidual plot
- 33A graph of bibariate data in which the independent variable is on the horizontal axis and the dependent vvariable is on the vertical axisScatter diagram
- 34An observation that has a stron influence or effect on the regression resultsinfluential observation
- 35A cyclical pattern exists if the time series plot shows an alternating sequence of points below and above the trend line lasting more than one yearcyclical pattern
- 36A forecasting method that uses a weighted average of past time series values as the forecastexponential smoothing
- 37data plot that exhibits a repeating pattern over successive periodsseasonal pattern
- 38a graphical presentation of the relationship between time and the time series variablestime-series plot
- 39A trend pattern exists if the time series plot shows gradual shifts or movements to relatively higher or lower values over a long period of timetrend pattern
- 40The difference between the actual time series value and the forecastforecast error
- 41A forecasting method that uses the average of the most recent k data values in the time-series as the forecast for the next periodMoving averages
- 42a parameter of the exponetial smoothing model that provides the weight given to the most recent time0series value in the calculation of the forecast value.smoothing constant
- 43a chi-square test that can be used to test that a probability distribution has a specific historical or theoretical probability distributiongoodness for fit test
- 44a graphical tool used to help determine whether a process is in control.control chart
- 45Two variables are present in the model where one is the cause or "independent variable and the other is the "effect" or dependent variable.Bivariate
- 46A model that takes data and regresses it into a straight-line equationlinear
- 47The calculated value from adding all the squared residual termssum of squared errors (sse)
- 48A variable that has an effect on a study even though it is not an explanatory variable nor a response variable.lurking variable
- 49a measure of central tendency that provides a measure of average geometric growth over multiple time periodsgeometric mean
- 50a graphical representation of a sample space and events in the form of circles or ovals showing their intersectionvenn diagram
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- Descripción
- Fichas sobre BUS 272, creado por Lindsey McCullers el 28/04/2025.
- Creado por
- Lindsey McCullers
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