Which data-collection methods are dominant in quantitative research? Select all that apply.

Q: Among the measures of center discussed, which is the only one appropriate for qualitative data?

A: Measures of center: Mean: The arithmetic mean (also called the mean) is the most commonly used…

Q: What kinds of statistical data might a burglar alarm company employ in trying to convince urban…

A: To convince the urban homeowners to buy burglar alarm system, an alarm organization could utilize…

Q: Examine the data elements in contemporary health data terminologies

A: Given information: It is required to state the data elements in contemporary health data…

Q: What does a z-score tell you about a data value?

A: Solution: Let X be the random variable. The z-score is the standardized value of the given data.

Q: Why is an expanded concept of "variation" necessary in statistical improvement? Is all variation…

A: Given the statement that "variation" is necessary in statistical improvement.

Q: The effect of data modification by addition on it on the geometric mean

A: GivenLet us consider a data distribution a1, a2, a3, ...., an. Its geometric mean is calculated as…

Q: Provide an illustration on how Bayesian analysis is used.

A: With the help of mathematical probability, the Bayesian analysis gives an explanation about the…

Q: How does the purpose of the research study affect the data analysis techniques selected?

A: Introduction - Data analysis - The process of data analysis uses analytics and logical reasoning to…

Q: If a person is making the third quartile salary for a CPA they are making less than what perc

A: Given: As,

Q: Five pairs of data are used in determining a regression line ŷ = -3 + 4x. If the five values of the…

A: The regression equation is given as ŷ = –3 + 4x.

Q: To examine bivariate data graphically, the best choice is two side by side histograms? Define this…

A: Introduction: A histogram is a graphical display mainly used to plot a univariate continuous…

Q: Examine the output and discuss whether there is a statistically significant relationship between the…

A: Given the results of a chi- square test.  We have to examine the output and discuss whether there is…

Q: Discuss the Relationship between Two Nominal Variables and Comparing Two or More Nominal Data Sets

A: Nominal variables are those variables that name, label or categorize objects/ideas/qualitative data.…

Q: Why shouldn't you extrapolate and how to deal with samples reading out the dynamic range?

A: Extrapolation is prediction far outside the range of the data. These predictions may be incorrect if…

Q: Analyze the experimental data

A: ANOVA: This is a statistical technique to observe the variation in the data.  here three brands of…

Q: In the context of regression analysis, what is an a. outlier? b. influential observation?

A:

Q: Explain the concept of standardize the predictor variable ?

A: Standardization is the process of putting different variables on the same scale. The standardization…

Q: 6. is the preferred measure of central location for nominal data.

A: The widely used measure of central tendency are mean, median and mode.

Q: Identify two main types of graphical displays that are used for qualitative data.

A: Qualitative variable: A variable that is used for classification of individuals based on some…

Q: discuss the limitation of correlation analysis.

A: Correlation: Correlation is a measure which indicates the “go-togetherness” of two data sets. It can…

Q: Why does the observed mean difference should not be taken seriously?

A: Mean difference(MD): Mean Difference is also known as Difference in means. Mean difference measures…

Q: 6. Which of the graphical procedures for qualitative data do you prefer? Why?

A: The qualitative data is the data which cannot be expressed in the numbers. For example: gender,…

Q: Are the statistical techniques used in the analysis of data appropriate to the levels of measurement…

A: Statistics               Statistics is widely used to gathering the different datasets,…

Q: Does the scatterplot below show evidence of a positive or negative linear relationship between the…

A: The given plot shows the scatterplot for the variable’s percent of people age 25+ with BA degree…

Q: analyze her data

A: ANOVA:  This is a Statistical technique to check the variation in the data. We are checking the…

Q: Define the term Sample Correlation? why it is used in linear equation?

A: Correlation measure linear relationship between the variables.   Correlation: Correlation is used to…

Q: Why is the combination of the measures of central tendency and measures of variation so informative…

A: Measures of central tendency gives the middle or central value which represents the whole data in a…

Q: What is Regression toward the Mean?

A:

Q: Which of the following is not a criterion for evaluating secondary data? *

A: Data is secondary when we don't collect it ourselves and work on a data collected by someone else.

Q: Deifne different types of Quantitative data ?

A:

Q: Which correlation BEST implies causation?

A: Given that :Causation examples.

Q: In both qualitative and quantitative research, how do we present the data?

A: The data may come from a population or from a sample. Small letters like x, y represent the data…

Q: Provide a reason why the classication of data is important.

A: In this case, we need to find the reason for the importance of data classification.

Q: interpret this results by testing each correlation hypothesis.

A: Given:  Correlation coefficient r=0.005 Hypothesis: Null hypothesis: H0: ρ=0 Alternative hypothesis:…

Q: What are the key Issues in Quantitative Research? Why are they issues?

A: The Quantitative data can be divided into two parts. One being discrete and other continuous. As the…

Q: What type of data would you use for collecting data on lap swim time

A: Continuous Data represents measurements and therefore their values can’t be counted but they can be…

Q: What is the difference between multivariate data set and bivariate data?

A: Bivariate data: This type of data involves two different variables. The analysis of this type of…

Q: what does ss tell us about a set of data? under what circumstances will the value equal 0? Can SS…

A:

Q: how do the four assumptions underlying the GLM impact the data analysis process ?

A: Simple linear regression model: A simple regression equation describes the effect of predictor…

Q: What is the TWO SOURCES OF VARIABILITY?

A: The total variation is portioned as follows: SST=SSTR+SSE

Q: When will a chi-squared statistic equal zero? You need to very specifically discuss the data.

A: Generally, the chi-squared statistics are always related to the null hypothesis of given data. When…

Q: Does the process of statistical analysis stop at the end of the analysis?

A: Introduction:A statistical data analysis procedure can be performed broadly in the steps-…

Q: Why is planning what statistical tool to be used important in quantitative research?

A: Statistical tools form an important part of quantitative research in that that they provide proper…

Q: Why should researchers identify the data analysis method that is appropriate to your study? Explain…

A: Data analysis is the process of visualizing or evaluating a certain data by using certain…

Q: When can correlation evidence help answer a casual question?

A: I guess, instead of casual, you meant causal.  Correlation is the measure of the degree of…