Data (2) Flashcards
The x axis in a scatter graph
Independent variable
Independent variable
The x axis in a scatter graph
The y axis in a scatter graph
Dependent variable
Dependent variable
The y axis in a scatter graph
Calculate the PMCC on a calculator
Menu 6 y= a + bx Input values AC OPTN Regression Calc
x̄ meaning?
Mean value of x
Mean value of x
x̄ meaning?
Get equation of a regression line
Menu 6 y= a + bx Input values AC OPTN Regression Calc
Substitute a and b values into y = a + bx
What is interpolation
Values inside the range in a scatter graph
Values inside the range in a scatter graph
What is interpolation
What is extrapolation?
Values outside the range in a scatter graph
Values outside the range in a scatter graph
What is extrapolation?
Find mean from ungrouped data
Menu 6 1 Shift and setup Go to statistics Turn frequency on Input x and freq AC OPTN 2
Another way to express 12 <= x < 13 in grouped data
11.5 <= x < 13.5
`11.5 <= x < 13.5
Another way to express 12 <= x < 13 in grouped data