Flashcards in Chapter 3 Deck (33):
A____ is a characteristic or measure obtained by using the data values from a sample.
A statistic is a characteristic or measure obtained by using the_____.
data values from a sample
A____ is a characteristic or measure obtained by using all the data values from a specific population.
A parameter is a characteristic or measure obtained by using all the_____.
data values from a specific population.
The____, also known as the arithmetic average, is found by adding the values of the data and dividing by the total number of values.
The mean, also known as the arithmetic average, is found by_____.
adding the values of the data and dividing by the total number of values.
The____ denoted by m (pronounced “mew”), is calculated by using all the values in the population.
____ letters are used to denote parameters,
____letters are used to
What is the symbol for median?
The____is the midpoint of any data
The median is the___of any data
The third average is called___.
What occurs the most in a data set?
A data set that has only one value that occurs with the greatest frequency is said to be____.
One value and great frequency
2 value great frequency
More than 2 value and great frequency
The____ is a rough estimate of the middle
The midrange is found by?
Adding the lowest and highest values and divide by two.
Sum of values, divided by total number of values
Middle point in data set that has been ordered
Most frequent data value
What is used to find out if the class is divided into upper or lower levels
What is used for open end distribution
What is the easiest to calculate
What is used for nominal or categorial?
Can data have more than one mode?
____, the majority of the data values fall to the left of the mean and cluster at the lower end of the distribution; the “tail” is to the right.
Positive Skewed or Right Skewed
In a_____, the data values are evenly distributed on both sides of the mean.
The____is the highest value minus the lowest value. The symbol R is used for the range.