BUAL 2600- Exam 1Complete Questions And Correct Verified Answers Guaranteed Pass.

In ________ we select elements because they are easy to sample A. Random Sampling B. Convenience Sampling C. Judgement Sampling D. Probability Sampling - correct answer Convenience Sampling _________ sampling is where we know the chance that each element will be included in the sample, which allows us to make statistical inferences about the same population A. Convenience B. Voluntary C. Probability D. Judgement - correct answer Probability Which of the following is a type of question used in survey research? A. Dichotomous B. Open-Ended C. Multiple Choice D. All of the Above - correct answer All of the Above A _______ is a list of all the units in a population A. Sample B. Frame C. Census D. Variable - correct answer Frame A question with a YES or NO answer is a... A. Dichotomous B. Evaluative C. Open-Ended D. Systematic - correct answer Dichotomous __________ is the difference between a numerical descriptor of the population and the corresponding descriptor of the sample A. Sampling Error B. Non-Observation Error C. Observation Error D. Nonresponse - correct answer Sampling Error Which of the following is a quantitative variable? A. The manufacturer of a cell phone B. A person's gender C. Mileage of a car D. Whether a person is a college graduate E. Whether a person has a charge account - correct answer Mileage of a Car Which of the following is a categorical variable? A. Air temperature B. Bank account balance C. Daily sales in a store D. Whether a person has a traffic violation E. Value of a company stock - correct answer Whether a person has a traffic violation Measurements from a population are called A. Elements B. Observations C. Variables D. Processes - correct answer Observations ________ is the science of using a sample to make generalizations about the important aspects of a population A. Time Series Analysis B. Descriptive Statistics C. Random Sample D. Statistical Inference - correct answer Statistical Inference College entrance exam scores, such as SAT scores, are an example of a(n) _____ variable A. Ordinal B. Ratio C. Nominative D. Interval - correct answer Interval The number of miles a truck is driven before it is overhauled is an exampled of a(n) _________ variable. A. Nominative B. Ordinal C. Interval D. Ratio - correct answer Ratio A(n) ___________ variable is a qualitative variable such that there is no meaningful ordering or ranking of the categories. A. Ratio B. Ordinal C. Nominative D. Interval - correct answer Nominative A person's telephone area code is an example of a(n) __________ variable. A. Nominative B. Ordinal C. Interval D. Ratio - correct answer Nominative Any characteristic of a population unit is a(n) A. Measurement B. Sample C. Observation D. Variable - correct answer Variable Examining all population measurements is called _________. A. Census B. Frame C. Sample D. Variable - correct answer Census A __________ is a subset of the units in a population. A. Census B. Process C. Sample D. Variable - correct answer Sample A ________ variable takes on values that are numbers on the real number line. A. Qualitative B. Quantitative C. Categorial D. Nominative - correct answer Quantitative A(n) __________ variable can have values that indicate into which of several categories of a population it belongs. A. Qualitative B. Quantitative C. Ratio D. Interval - correct answer Qualitative A set of all elements we wish to study is called a ________. A. Sample B. Process C. Census D. Population - correct answer Population If we collect data on the number of wins the Dallas Cowboys earned each of the pas t 10 years, we have _________ data. A. Cross-Sectional B. Time Series C. Non-Historical D. Survey - correct answer Time Series Which of the following divides quantitative measurements into classes and graphs the frequency, relative frequency, or percentage frequency for each class? A. Histogram B. Dot Plot C. Stem-and-Leaf display D. Scatter Plot - correct answer Histogram A _________ shows the relationship between two variables A. Stem-And-Leaf B. Bar Chart C. Histogram D. Scatter Plot E. Pie Chart - correct answer Scatter Plot __________ and __________ are used to describe qualitative (categorical) data. A. Stem-And- Leaf Displays, Scatter Plots B. Scatter Plots, Histograms C. Dot Plots, Bar Charts D. Bar Charts, Pie Charts E. Pie Charts, Histograms - correct answer Bar Charts, Pie Charts If there are 130 values in a data set, how many classes should be created for a frequency histogram. A. 4 B. 5 C. 6 D. 7 E. 8 2^k, where k= number of classes and 2^k is the closest value larger than 130. - correct answer 8 The number of measurements falling within a class interval is called the ________. A. Frequency B. Relative Frequency C. Leaf D. Cumulative Sum - correct answer Frequency A relative frequency histogram having a longer tail to the right than to the left is said to b