Data that cannot be given a numerical value, example, gender.
What is Qualitative Data?
100
The sum of the data divided by the number of items in the data set.
What is Mean?
100
In a situation, the statistics of a sample are used to draw conclusions about the entire population.
What is Statistical Inference?
100
The difference between the greatest and least values
What is Range?
200
The larger group.
What is Population?
200
The sample is random and valid.
What is Unbiased sample?
200
the middle number of the ordered data, or the mean of the middle of two nuimbers.
What is Median?
200
A measure that cescribes a characteristic of a sample. This can and usually will vary from sample to sample.
What is Statistic?
200
The values that divide the data set into four equal parts.
What is Quartile?
300
If a sample favors one group over another, the data is invalid.
What is Biased Sample?
300
A sample in which the items in the sample are selected according to a specified time or item interval.
What is Systematic Random Sample?
300
the number or numbers that occur most often
What is Mode?
300
a measure that describes a characteristic of a population. The numbers are usually estimated values based on the statistics of a carefully chosen random sample. This will not change, for it represents the entire population.
What is Parameter?
300
This is calculated value that shos how the data deviates from the mean of the data.
What is Standard Deviation?
400
An estimated interval that is most likely to include the exact result for the population.
What is Margin of Error?
400
A sample that is equally likely to be chosen as any other sample from the population.
What is Simple Random Sample?
400
Data that can be given and analyzed as numberical values. Examples are test scores, hours that you have studied, or the weight of objects.
What is Quantitative Data?
400
It is the averabe of the absolute values of the differences between the mean and each value in the data set.
What is Mean Absolute Deviation?
400
The square of the standard deviation.
What is Variance?
500
A sample that consists of items in a group, such as a neighborhood or a household. The group may be chosen at random. However, this is not a random sample because the items in the group are not chosen independently of each other .
What is Cluster Sample?
500
The population is first divided in similar, nonoverlappin groups. A random sample is then selected from each group.
What is Stratified Random Sample?
500
Numbers or pieces of data that can represent the Whole set of data.
What is Measures of Central Tendancy
500
The range of the middle half of a data set; the differnce between the upper and lower quartiles
What is Interquatile Range?
500
One or more operations performed on a set of data that can be written as a linear function.