CH 455
Date:
Name:
1. In the calculation of the pH of a 0.100 M HF
solution (Ka = 6.80 x 10-4) show why the assumption
0.100 M x = 0.100 M is incorrect?
6.80 x 10-4 = x2 / (0.100 x) = x2 / (0.100)
x = 0.008246
x = 8.2 x 10-3 = [H+]
Which is 8.2% of origin
SDS 302
ANOVA: Post Hoc
Compute Effect Size
BetweenGroup SS SSB
2
=
=
Total SS
SST
Effect size rules:
2
.09
.09 < 2 < .25
2 .25
Small effect
Medium effect
Large effect
After a significant difference is found, now what?
Compare the means of two groups at
SDS 302 Independent T-Test
Independent or Dependent? One or two tailed?
1. Did freshman gain more weight in one school year than seniors did?
2. Do you eat the same amount if you drink a glass of water before a meal or if you dont?
3. Is there a differenc
The University of Texas at Austin
McCombs School of Business
Foundations of Accounting (ACC 310F)
Assignment 2
Once you have completed the assignment below, you must submit your answers using the answer sheet provided in
Canvas (in the Assignments area);
SDS 302 ANOVA: One-Way Analysis of Variance (ANalysis Of VAriance)
Types of Errors
Truth of H
Decision
Fail to reject Ho
0
Ho is false.
Ho is true.
Reject Ho
Decision
Not guilty
Innocent
Truth about Defendant
Guilty
Guilty
A new a blood pressure medicatio
Excel (4 pts)
You will use the dataset from Independent/Paired Pre-Lab to answer the following question;
Were the second and third readings of systolic blood pressure significantly different from one
another?
Run the appropriate analysis in Excel and then
SDS 302 Homework 2 (20 points)
Review of Histogram Lab (4 pts)
Use the dataset from the Histogram Pre-Lab and Excel to answer the following question: How
do the visual reaction times compare between the left hand and right hand?
Create a histogram for eac