QMB 3200

Which of the following statements regarding a time series technique is true? Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior. Which time series technique predicts a future value by combining the previous prediction and some portion of the error in the prediction? Simple exponential smoothing Which of the following correlation coefficient values represents the strongest positive correlation between two factors in a data set? ...

Statistics the mathematical science that deals with the collection, analysis, and presentation of data, which can be used for inference marketing research focus groups, customer surveys, predicting consumer buying patterns advertising household surveys, tv viewing habits operations quality control, supply chain finance and economics data on income, credit risks for consumer and corporate borrowers data raw facts or measurements of interest in an unorganized form information data tha...

______ data has the benefit of a true zero point ratio a method of gathering data when subjects are exposed to certain treatments and the data of interest is recorded is known as ______ experiments collecting data about the television viewers for the Summer Olympics is an example of using statistics in the field of ______ advertising The Graduate Management Admission Test (GMAT) is a standardized test used by schools to determine the aptitude of individuals who are applying for MBA program...

Data The facts & figures collected, analyzed, and summarized for presentation and interpretation. Dataset All the data collected in a particular study. Element The entity on which data is collected (Think each individual nation) Variable A characteristic of interest of an element(Think GDP or WTO Status) Observation The set of all measurements associated with an individual element. What are the four scales of data measurement? Nominal (Names), Ordinal(Meaningful ranking), Interval (th...

The standard deviation of a point estimator is the _____. standard error As the sample size increases, the _____. standard error of the mean decreases The standard deviation of p̄ is referred to as the _____. standard error of the proportion The value of the ___________ is used to estimate the value of the population parameter. sample statistic The standard deviation of x̄ is referred to as the _____. standard error of the mean All of the following are true about the standard error o...

The standard deviation of a point estimator is the standard error Cluster sampling is a probability sampling method The interquartile range is the difference between the first and third quartiles A __________ can be used to graphically present quantitative data. both a histogram and a stem-and-leaf display are correct The measure of variability easiest to compute, but seldom used as the only measure, is the Range As the sample size increases, the variability among the sample means dec...

Excel's __________ can be used to construct a crosstabulation. a. COUNTIF function b. PivotTable Report c.Chart Tools d.SUM function B The sum of the percent frequencies for all classes will always equal number of items in the study b.100 number of classes B Excel's Chart Tools can be used to construct a a. bar chart b. pie chart c. histogram d. All of these can be constructed using Excel's Chart Tools. D A tabular summary of a set of data sh...

In computing the standard error of the mean, the finite population correction factor is not used when: a. n ≥ 30 b. n/N ≤ 0.05 c. N/n ≤ 0.05 d. n/N > 0.05 b. n/N ≤ 0.05 A sample statistic, such as x bar , that estimates the value of the corresponding population parameter is known as a: a. population parameter b. point estimator c. Both a parameter and a population parameter are correct. d. parameter b. point estimator The standard deviation of xbar is referred to as the a...

QMB 3200 Exam Verified Questions with Correct Answers Graded A+ Data facts and figures collected, analyzed, or summarized Dataset all the data collected in an analysis Element the entity on which data is collected Variable characteristic of interest of an element Observation all variables associated Categorical numeric or ordinal values of measurement Quantitative uses numeric measures Cross Sectional data collected at a similar point in time Time Series data collected over a...

QMB 3200 Final Exam Study Guide |Verified Questions with Correct Answers Graded A+ Excel's ______ function can be used to compute the sample standard deviation STDEV.S The mean of the sample is computed by summing all the data values and dividing the sum by the number of items symbol that represents the size of population N The variance of a sample or population cannot be Negative Symbol representing the size of sample n symbol representing standard deviation of a population σ sym...