Confidence Interval
Point & Interval Estimation
Effect Size
Miscellaneous
Previous Weeks
100
The value in the middle of the confidence interval
What is the point estimate (or sample mean)?
100
Point estimate of mu
What is Xbar (sample mean)?
100
Differnce in means divided by standard deviation
What is Cohen's d?
100
The shape of the distribution of sample means
What is normally distributed?
100
Cause of the dependent variable
What is the independent variable?
200
1 minus alpha
What is the confidence level?
200
Point estimate of sigma
What is s (sample standard deviation)?
200
Range for the correlation coefficient
What is -1 to +1?
200
Cohen's d of -0.8 is considered
What is a large effect?
200
Shape of distribution when the mean is to the left (lower) of the median
What is negatively skewed?
300
Increasing this narrows the confidence interval
What is the sample size?
300
Added and subtracted from point estimate to give upper and lower limits
What is the margin of error?
300
Considered a medium size effect
What is d = 0.5?
300
Distribution to use when don't know population standard deviation
What is the t distribution?
300
Measure of variation that uses all the observations in the calculation
What is standard deviation (or variance)?
400
Decreasing this narrows the confidence interval
What is the level of confidence?
400
Point estimate of rho
What is r (sample correlation)?
400
Proportion of variance explained
What is r-squared?
400
Multiplied by the standard error to give the margin of error
What is the critical value?
400
1 - Probability(Beta)
What is power?
500
Proportion of intervals that won't contain mu if process repeated over and over
What is the level of confidence?
500
Standard deviation divided by square root of sample size
What is the standard error of mean?
500
Range of Cohen's d
What is -infinity to +infinity?
500
Asymmetric interval for this estimator
What is the correlation coefficient?
500
Sensitivity and specificity are examples of this kind of probability
What is conditional probability?
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