PSY207B Spring 2011
Psychological Statistics
Correlation & Regression
13.1 Introduction to Correlation
13.2 The Pearson correlation
13.3 Hypothesis Testing for Pearson Correlation
13.4 More Considerations
13.5 Introduction to Linear Regression
Correlation
Math 142 F: Exam 3 Practice Problems
1. Find a power series representation for f (x) = ln(1+ x2 ). Find the corresponding radius
of convergence.
2. Find the interval and radius of convergence for the power series.
n=1
(4x + 1)n
n2
3. Find the interval and
PSY 207B
Exercise 7 (Chapter 10&11) _ Key
Chapter 10: The t Test for Two Independent Samples
12. The pooled variance is 6, the estimated standard error is 1, and t = 3.00. With df = 22, the
critical boundaries are t = 2.074. Reject H0.
14. a. The two samp