**
We request that papers using advice from the SCCA Q&A files include an
acknowledgment to 'the SCCA operated at the Department of Statistics,
Penn State University, M. George Akritas (Director).'
**

- Question 1: Comparison of Proportions
- Question 2: Bayesian References
- Question 3: Number of Parameters Greater Than Sample
- Question 4: Likelihood Ratio Statistic for Poisson Counts
- Question 5: Comparing the Rate of Source Signals in the Presence of Noise from Background Signals
- Question 6: Comparing Source Rates Obtained with Different Telescope/Detector Systems in the Presence of Noise from Background Signals
- Question 7: Use of Chi-Squared for Parameter Estimation and Confidence Intervals
- Question 8: Chi-Square Confidence Intervals for an Additional Parameter
- Question 9: Bootstrap or the Dressler-Shectman shuffling?
- Question 10: Confidence Intervals for the Centroid and Ellipticity
- Question 11: Testing for Partial Correlation with Censored Data
- Question 12: Clustering Algorithms
- Question 13: On Robust Estimation
- Question 14: Comparing Two Bivariate Censored Samples
- Question 15: Confidence Intervals from Truncated Data
- Question 16: Flux vs. Flux, or Luminosity vs. Luminosity
- Question 17: Software for Two-Sample Testing
- Question 18: Chi-Square and Kolmogorov-Smirnov with Measurement Errors
- Question 19: Principal Component Analysis for Variables with Known Measurement Errors
- Question 20: Linear Regression for Astronomical Data with Measurement Errors
- Question 21: Rank Sum Test for Bivariate Samples
- Question 22: Goodness-of-fit with Truncated Data
- Question 23: Comparison of Samples Allowing for Covariate Effects
- Question 24: Biased Sampling
- Question 25: Intrinsic Scatter and Debiased Sample Variance
- Question 26: Comparing Shapes and Sizes
- Question 27: Confidence Intervals for Moments
- Question 28: References for Givens Rotations
- Question 29: Goodness-of-fit With Doubly Censored Data
- Question 30: Outlier detection and bump hunting
- Question 31: Comparing populations with measurement error
- Question 32: Variance Function Estimation: Measurement Error only in Y
- Question 33: Chi-Square Degrees of Freedom and Question 7
- Question 34: Searching for Periodicities in Unevenly Spaced Data
- Question 35: Linear Regressions and the Elliptical Galaxy Fundamental Plane
- Question 36: Estimating the Lag in Two Time Series
- Question 37: Multiple Regression for Astronomical Data with Measurement Errors

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