1. Is there a relationship between sex and language?
1. HO: Sex and language are independent.
HA: Sex and language are not independent.
2. = 0.05
3. X2crit = X2 = 0.05, df = 1 = 3.841
4. Reject H0 if X2obs > X2crit (3.841)
5. X2obs = 0.248
6. X2obs (0.248
BC 1101 - Statistics
Lectures 20 The Chi-Square 2 Distribution
Importance of the Chi-Square Distribution.
The most important use for the normal distribution is actually not to approximate the binomial (our only
application of it so far), but to test hypot
Final Study Guide
Chapters 12, 13, and 14
CHAPTER 12: INTRODUCTION TO ANOVA (slides and video)
Making inferences about exactly 2 populations
Single sample and related samples
All samples are independent
What are the limitations
Chapter 3: Displaying and Summarizing Quantitative Data
Histogram: Representing the counts as bars and plotting them against the bin values and
displays the initial distribution at a glance
Unlike a bar chart that uses gaps to separate categories, a gap