4) Is this a one- or two-tailed test? Given that we are setting a = .05, what is the critical value for the statistical test we are conducting given our data set and hypothesis? If we need to calculate degrees of freedom to identify the critical value, be sure to report the formula and the value you calculate:
4) Is this a one- or two-tailed test? Given that we are setting a = .05, what is the critical value for the statistical test we are conducting given our data set and hypothesis? If we need to calculate degrees of freedom to identify the critical value, be sure to report the formula and the value you calculate:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Answer each question plz also write a sentence for null and research/alternative hypothesis
Transcribed Image Text:4) Is this a one- or two-tailed test? Given that we are setting a = .05, what is the critical
value for the statistical test we are conducting given our data set and hypothesis? If we
need to calculate degrees of freedom to identify the critical value, be sure to report the
formula and the value you calculate:
5) In words, interpret what the significance testing tells us about how our samples
compares to each other on our variable of interest (describe the variable). Also, report
the results in APA format:
1.99
Transcribed Image Text:B) Imagine now, that we want to reexamine the data we collected in the last HW and find out if
there are differences in in the amount of math anxiety felt after taking a statistics class
depending on the type of class taken. Specifically, we believe psych stats students (X) will
report experiencing less math anxiety after completing the course compared to other stats
students (Y).
X
1
2
2
3
2
4
3
7
3
2
Y
3
5
4
3
5
3
1
3
5
6
1) Report our null and alternative hypotheses:
Provided again is the sample of students that we recruited divided by
class standing (see above), and the mean and standard deviation for each class (see
below):
X = 2.90 SDX = 1.66
Y = 3.80
SDy = 1.48
2) Given the information we have, what specific t-test do we need to run in order to
examine our hypothesis?
3) Calculate the appropriate statistic to address our hypothesis (remember to report the
formula for the statistic you use):
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