The weight of an organ in adult males has a bell-shaped distribution with a mean of 300 grams and a standard deviation of 15 grams. Use the empirical rule to determine the following. (a) About 95% of organs will be between what weights? (b) What percentage of organs weighs between 285 grams and 315 grams? (c) What percentage of organs weighs less than 285 grams or more than 315 grams? (d) What percentage of organs weighs between 270 grams and 345 grams? 99.7% of data are within 3 standard deviations of the mean (u – 3a to µ + 3ơ) 95% within 2 standard deviations (a) 270 and 330 grams (Use ascending order.) (b) 68 % (Type an integer or a decimal.) (c) 32 % (Type an integer or a decimal.) (d) 97.35 % (Type an integer or decimal rounded to the nearest hundredth as needed.)
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
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