Listed below are sorted amounts of stronitium-90 ( in millibecquerels or mBq) in a simple random sample of baby teeth obtained from Pennsylvania residents born after 1979. 128 130 133 137 138 142 142 144 147 149 151 151 151 155 156 161 163 163 166 172 A) Find the percentile for the data 142 B) Find the value of the 78th percentile. C) Find the 5-number summary and construct a box plot (You can get the answer from TI 83/TI 84)
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.
Listed below are sorted amounts of stronitium-90 ( in millibecquerels or mBq) in a simple random sample of baby teeth obtained from Pennsylvania residents born after 1979.
128 130 133 137 138 142 142 144 147 149 151 151 151 155 156 161 163 163 166 172A) Find the percentile for the data 142
B) Find the value of the 78th percentile.
C) Find the 5-number summary and construct a box plot (You can get the answer from TI 83/TI 84)
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