- Statistics based on laws of probability, allowing researchers to reach conclusions about a population based on data from a sample.
- inferential
- Statistics used to summarize and describe quantitative data.
- descriptive
- The most stable measure of central tendency.
- mean
- Measures of _____ represents how spread out the data are
- variability
- _____ coefficients describe the direction and magnitude of a relationship between two variables
- correlation
- Used test the significance of differences in three or more group means.
- anova
- Used to test the significance of differences in two group means.
- ttest
- Characteristic of a normal distribution
- symmetrical
- A distribution with more than one peak
- multimodal
- Distribution that peaks to the right
- negative
- Distribution that peaks to the left
- positive
- Value that occurs most frequently
- mode
- Point above which and below which 50% of the cases fall
- median
- Distance between highest and lowest scores
- range
- The standard _____ indicates how much, on average, scores deviate from the mean.
- deviation
- Number of standard deviations above and below the mean that 95% of the values lie within in a normal distribution
- two
- Type of hypothesis which states no relationship between variables
- null
- _____ of the null hypothesis lends support to the research hypothesis.
- rejection
- A correlation coefficient of +1.00 would indicate a perfect _____ correlation
- positive
- A correlation coefficient of -1.00 would indicate a perfect _____ coefficient
- negative
- Characteristic of a population
- parameter
- Statistically _____ refers to the Unlikelihood that the results are due by chance
- significant
- Probability of making a Type I error
- alpha
- Probability of making a Type II error
- beta
- An (r) represents this commonly used correlation index
- pearson
- Type of test used to test hypotheses about the proportion of cases in different categorie
- chisquared

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