What is an important property of estimates of effect size?

Q: In a survey of the number of televisions (TV's) owned by households, the data would be…

A: Answer: Quantitative Data

Q: What is the difference between prevalence and incidence? Over time, how are the measures of…

A: The Main difference between Prevalence and Incidence is defined as follows  Prevalence measures or…

Q: Give an example of a study that would collect univariate and quantitative data.

A: Give an example of a study that would collect univariate and quantitative data.

Q: What is Observational Study?

A: Experimental study: If the researcher influences or controls one of the variables in the study and…

Q: Describe the main measures of central tendency and dispersion. Why are they important in analyzing…

A: A measure of central tendency helps to identify the location of a dataset, whereas a measure of…

Q: In a survey of the number of televisions (TV's) owned by households, the data would be…

A: We have to find  correct answer..

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 is the approximate mean of the histogram?(Where does the histogram balance?)

A: Baser on the histogram, the frequencies are 2,2,5,8,3,3,2

Q: What caution is must for finding the median for ordered qualitative data?

A:

Q: What is the drawback of summarizing the data using the median

A: Median: Median is the middle value of the set of numbers. The set of numbers should be arranged in…

Q: Why is a year of sale is considered as a one example of discrete data? What is the level measurement…

A: Year of sale is discrete data  because year of sale is limited sale that can be countable there a…

Q: What is the effect of having different levels of confidence in estimation of population mean?

A: A confidence interval (C.I.) specifies a set of possible values for a given parameter.

Q: Explain why the minimum and maximum observations are added to the three quartiles to describe better…

A: Quartile: Quartiles are the values which divides the data into four equal parts. First quartile:…

Q: Describe the process you would use to estimate Propensity Scores

A:

Q: When trying to summarize a set of numerical data, why is giving a measure of center such as the mean…

A: Introduction: A measure of central tendency of data is a measure of the tendency of the values to…

Q: What is Percentile Rank of an Observation?

A: Percentiles: If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: Describe about the measurement of variability for qualitative and ranked data?

A:

Q: What are the advantages and disadvantages of quantitative and qualitative data?

A: The quantitative research process canbe easily as it depends upon the measurement,quantity. Some of…

Q: What is helpful to interpret bivariate tables~ percentages or frequencies?

A: Given that  We have to define  What is helpful to interpret bivariate tables percentages or…

Q: What is Population Mean?

A: The population mean is that one measure of the population which can be used to represent an…

Q: What is Statistical Measure of the Amount of Variation in a Population?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: What is the difference between a population and a sample? Which is described by a parameter and…

A: Determine the difference between the population and sample.   The difference between the population…

Q: What is the relationship between a frequency or relativefrequency distribution of a quantitative…

A: Justification:Qualitative and quantitative data:Qualitative data are non-numerical measures such as…

Q: What is the difference between an influential point and an outlier?

A: Outliers: Data points that diverge in a large way from the overall pattern are called outliers. A…

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: 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: According to the Law of Large Numbers what effect will increasing the sample size have on the sample…

A: It is given that the sample size increases.

Q: The best point estimate of population mean is?

A: Best Point estimation requires the use of survey data to measure a single value (also known as a…

Q: Why is it important to include a test of effect size when reporting our statistical test results?

A: Effect size:-   effect size is a quantitative measure of the magnitude of the experimenter…

Q: What percentage of the variability in the number of delivery days for a car is NOT explained by…

A: From the given output, the R square value is 0.7105.

Q: Why researcher use different estimation method in order to do their research?

A:

Q: Give the statistical meaning of the relationship between the spending hours on using mobile and…

A: Answer: When we check the relationship between two variables then scatter plot is best plot to…

Q: Deifne different types of Quantitative data ?

A:

Q: Are graphs effective substitutes for the statistical treatment of data?

A: Contributions to statistical graphics, including effective use of graphs and charts to communicate…

Q: Define qualitative data?

A: Qualitative data: Qualitative data is defined as the data that categorize or classify the…

Q: What is meant by the phrase statistically significant?

A: Simple random sampling:Simple random sampling is the process of sampling in which every individual…

Q: What is use of Statistics on Societal Problems and Project studies?

A: purpose of statistic

Q: Why might the range not be the best estimate of variablitiy?

A: Range is the difference between the largest and smallest value in a data set, so if there is an…

Q: Explain the meaning of the specified term. Sample data

A: Population: A ‘population’ is defined as a set or collection of all the individual persons, objects,…

Q: What is Measures of Variability?

A:

Q: The manner in which numerical data can be analyzed statistically depends on the level of data…

A: The manner in which numerical data can be analyzed statistically depends on the level of data…

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 do we need to study the variation of a collection of data? Why isn't the average by itself…

A: Step 1: An important characteristic of a data set is the variation in the data. In many of the data…

Q: What are the findings of the study?

A:

Q: Give the statistical meaning of the relationship between the spending hours on using mobile and…

A: Solution: n= 10 observation let x=Using phone days  and y= using reading days   x y x^2 y^2 xy…

Q: What are the four of the most important qualitative methods?

A: Let QM denote Qualitative Methods