Vocab
Describe, organize, summarize and simplify a set of scores
What is Descriptive statistics?
Smartphone brand is an example of this.
What is nominal scale?
This is the deviation score when the population mean is 12 and x is 9.
What is -3?
The likelihood an event will occur given the number of similar and other possible outcomes
What is Probability?
the variable that is being measured
What is dependent variable?
Describes the relationship between 2 variables/measure.
What is correlation?
NASCAR race is an example of this.
What is ordinal scale?
This is the sum of squared for a sample when the degrees of freedom is 6 and the standard deviation is 49.
What is 294?
Differences or fluctuations in a measure when comparing samples measures to population parameters
What is Sampling error?
Time of day is an example of this kind of variable
What is environmental relevant variable?
Allow a researcher to use samples to make generalizations about the population and to describe cause and effect relationships.
What is inferential statistics?
A telecommunications teacher asks the takes a poll of the class to see what is everyone's favorite tv show. The data collected is an example of
What is nominal scale?
Opps, the teacher incorrectly graded a question on a quiz and must give every student 2 points each. The original average of the quiz grade was 84. The new average of the quiz grade is
What is 86?
Two common forms of variability.
What is standard deviation and variance?
any of the personal attributes, traits, or behaviors that are inseparable from an individual and cannot reasonably be manipulated.
What is quasi-independent variable?
A symmetrical bell-shaped curve where the mean, median and mode are all equal to each other.
What is normal distribution?
Temperature in Fahrenheit is an example of
What is interval scale?
This is the probability of choosing a score in between the mean and the corresponding z-score of 0.49.
What is 18.79%?
This sample statistic is _____ if the average value of the statistic is equal to the population parameter.
What is unbiased?
Matching, holding constant, and random assignment are ways in which researchers use to prevent or at least minimize what might also influence the outcome measure (DV) other than the IV
What are control techniques?
This measure of central tendency is best used when dealing with qualitative data.
What is mode?
A gas tank with 10 gallons of gas is an example of
what is ratio scale?
When the standard error for a sample is 24 and the population standard deviation is 200. the sample size is
What is 69?
I am the standard deviation of sample means. I am inversely effected by the size of a particular sample.
What is standard error?
Internal attributes or characteristics that cannot be directly observed but are useful for describing and explaining behavior.
What is construct?