UCF QMB3200 MIDTERM STUDY QUESTIONS WITH AUTHENTIC ANSWERS|ALREADY GRADED A | NEWEST 2025| GET A PASS

Analytics - CORRECT ANSWERS️️the scientific process of transforming data into insight for making better decisions Descriptive Analytics - CORRECT ANSWERS️️Analytical techniques that describe what has happened in the past. Predictive Analytics - CORRECT ANSWERS️️Analytical techniques that use models constructed from past data to predict the future or assess the impact of one variable on another. Prescriptive Analytics - CORRECT ANSWERS️️Analytical techniques that yield a course of action. Big Data - CORRECT ANSWERS️️A set of data that cannot be managed, processed, or analyzed with commonly available software in a reasonable amount of time. Big Data are characterized by 4 v's: volume, velocity, variety, and veracity. Data Mining - CORRECT ANSWERS️️The process of using procedures from statistics and computer science to extract useful information from extremely large databases. Frequency Distribution - CORRECT ANSWERS️️A tabular summary of data showing the number (frequency) of observations in each of several nonoverlapping categories or classes. Relative Frequency Distribution - CORRECT ANSWERS️️A tabular summary of data showing the fraction or proportion of observations in each of several nonoverlapping categories or classes. Percent Frequency Distribution - CORRECT ANSWERS️️A tabular summary of data showing the percentage of observations in each of several nonoverlapping classes. Bar Chart - CORRECT ANSWERS️️A graphical device for depicting categorical data that have been summarized in a frequency, relative frequency, or percent frequency distribution. Pie Chart - CORRECT ANSWERS️️A graphical device for presenting data summaries based on subdivision of a circle into sectors that correspond to the relative frequency for each class. Class Midpoint - CORRECT ANSWERS️️the value halfway between the lower and upper class limits Dot Plot - CORRECT ANSWERS️️a graphical device that summarizes data by the number of dots above each data value on the horizontal axis Histogram - CORRECT ANSWERS️️A graphical display of a frequency distribution, relative frequency distribution, or percent frequency distribution of quantitative data constructed by placing the class intervals on the horizontal axis and the frequencies, relative frequencies, or percent frequencies on the vertical axis. Cumulative Frequency Distribution - CORRECT ANSWERS️️A tabular summary of quantitative data showing the number of data values that are less than or equal to the upper class limit of each class. Cumulative Relative Frequency Distribution - CORRECT ANSWERS️️A tabular summary of quantitative data showing the fraction or proportion of data values that are less than or equal to the upper class limit of each class. Cumulative Percent Frequency Distribution - CORRECT ANSWERS️️A tabular summary of quantitative data showing the percentage of data values that are less than or equal to the upper class limit of each class. Stem-and-leaf Display - CORRECT ANSWERS️️a graphical display used to show simultaneously the rank order and shape of a distribution of data Crosstabulation - CORRECT ANSWERS️️A tabular summary of data for two variables. The classes for one variable are represented by the rows; the classes for the other variable are represented by the columns. Simpson's Paradox - CORRECT ANSWERS️️Conclusions drawn from two or more separate crosstabulations that can be reversed when the data are aggregated into a single crosstabulation.