Chapter- 2 Flashcards
The count of measurement in a class defined by a stem is called
Frequency
Bell-shaped curve
A Symmetrical Curve
Long tail to the right
Positively Skewed
Long tail to the left
Negatively Skewed
Two distinct high points
Double Peak
A number calculated from all the population measurement that describes some aspect of the population.
Population Parameter
A number calculated using the sample measurements that describes some aspect of the sample.
Sample Statistic
A one-number of the value of a population parameter.
Point estimate
The measurements is the largest measurement minus the smallest measurement.
Range
The average of the squared deviation of all the population measurements from the population mean.
Variance
The positive square root of the variance.
Standard Deviation
Measurement that are very different from most of the other measurement
Outliners
A bar chart having the different kinds of defects listed in the horizontal scale
Patero Chart
Used to study relationships between two variable
Scatter Plot
Mean calculated using the unequal weights
Weighted Mean
