determine if the frequency of deficiencies of variable (significant medications) are statistically significantly different between for-profit and non-profit nursing homes, interpret the results for the chi-square?

Q: Define correlation coefficient and probable error?

A:

Q: What is the difference between preventative measures and preventative statistics of a disease

A: preventive  healthcare or preventive  medicine refers to the measures taken in order to prevent and…

Q: particial correlation

A: Partial Correlation: Partial correlation coefficient may be defined as a measure of degree of…

Q: Incidence reflects the likelihood of developing a disease among a group of participants free of the…

A: Incidence refers to the proportion of number of new cases among people who are free from disease for…

Q: s weathering time (months) categorical or quantitative variable

A: Given that  Weathering time ( months )

Q: What is the only measure of central tendency that can be used with a nominal variable? standard…

A: Measure of central tendency is used to determine center of the distribution. It provides a summary…

Q: What is an “average” z-score? Explain your answer?

A: A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of…

Q: This is an EXERCISE. How can we measure the impact of education level on income inequality by using…

A: Yes, the Chi Square test of Independence can be used to test dependency between education level and…

Q: Which measure of central tendency can be applied to nominal data? mean range mode O median

A: Mean- brain of data Range- difference of maximum and minimum. Mode- most frequent in data. Median-…

Q: What is the best statistical method to use when measuring two nominal level variables? Why?

A: Nominal scales are used, without any quantitative significance, to label variables. One might…

Q: In the F-ratio for a repeated measures ANOVA, variability due to individual differences

A: ANOVA uses the F-test to assess whether the variation between group mean is greater than the…

Q: A researcher takes a sample of 150 employees of a company, the average age of company’s employees is…

A: Solution

Q: What is the difference between correlation and causation in statistics? Why is it important to…

A: Correlation and causation are two concepts in statistics that are often confused with each other.…

Q: What is the coefficient of determination and how is it interpreted in correlation and regression…

A: The coefficient of determination, often denoted as R2, is a statistical measure used in correlation…

Q: Is age continuous or discrete data?

A: To find age is continuous or discrete.

Q: Illustrate root mean squared forecast error? what are the sources of Root mean squared forecast…

A: Root mean squared forecast error: It is based on the mean absolute error.

Q: What are the descriptive methods in assessing normality? Explain each method.

A: Normality test: This test is applied to assess normality of data sets. Normality of a data set is an…

Q: Explain the graphic method of determining correlation between two variables?

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

Q: Explain the importance of direct and indirect standardised death rates.

A:

Q: What are the statistical techniques used to measure the dispersion? Give an example?

A: The statistical techniques which are used to measure the dispersion are variance, standard…

Q: Why Squared Correlation Coefficient Does Not Apply to Individual Scores?

A: Squared Correlation coefficient: Squared correlation coefficient is also known as coefficient of…

Q: Why do the study on the data variability is called as the complementary to the study on central…

A: Central tendency is the tendency of the quantitative data set to cluster around the some central…

Q: indicator for gender (=1 if male, =0 if female). Your data set has 200 observations. donation = 1.57…

A: Given that there are 200 observations. Gender=1  if male0  if female…

Q: Why is shoe sizes of that child are between 5 to 10 is considered as a discrete quantitative…

A: A country's population, a person shoe size. Or a car speed all are quantitative variables.

Q: Explain the application of normal curve in social science.

A: The normal distribution is the single most important distribution in the social sciences. It is…

Q: Calculate the test statistic. t= 3 (Round to three decimal places as needed.)

A: The correlation value is obtained using EXCEL. The software procedure is given below: Enter the…

Q: Typically, variability due to individual differences is appreciable. If the opposite were true, that…

A: Here it is given that there were little or no variability due to individual differences. Repeated…

Q: Distinguished Between primary and secondary data

A: Primary data is a type of data that is collected by the researcher himself to reach at the…

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 the Small Values of Squared Correlation Coefficient?

A: The squared correlation coefficient is known as coefficient of determination denoted by R2.

Q: Define the term relationship as a perfect positive cross-correlation?

A:

Q: what is the standard error (usually standard error of the mean)?

A: Standard error: The standard error of the statistic is defined as the standard deviation of its…

Q: Is there a relationship between age and anemia?

A: Relationship between anemia and age

Q: A high correlation between two variables does not always mean that changes in one cause changes in…

A: Correlation,  is a statistic that measures the degree to which two securities move in relation to…

Q: What are three differences between correlation and regression?

A:

Q: Different between mean residual life and reliablity analysis

A: Residual life analysis and reliability analysis are two related concepts in the field of reliability…

Q: A survey conducted by a research team was to investigate how the education level, tenure in current…

A: Consider a multiple regression model for the prediction of Annual income (in dollars) with three…

Q: Differentiate Regrassion analysis and Correlational analysis?

A: