Please state the null and alternative
hypotheses.
Using an alpha level of .05, please test the null
hypothesis (what is the appropriate test, what is the critical
value?). Draw the rejection region.
Calculate the test statistic
State the conclusion you are entitled to draw as a
result of this test.
Calculate the effect size as appropriate for the
hypothesis test used.
A researcher has developed a new therapy for the treatment of
depression. The researcher has selected a small sample...
Please state the null and alternative
hypotheses.
Using an alpha level of .05, please test the null
hypothesis (what is the appropriate test, what is the critical
value?). Draw the rejection region.
Calculate the test statistic
State the conclusion you are entitled to draw as a
result of this test.
Calculate the effect size as appropriate for the
hypothesis test used.
A professor believes that psychology students study more than
the average college student (after all, psychology students
understand the...
Please state the null and alternative
hypotheses.
Using an alpha level of .05, please test the null
hypothesis (what is the appropriate test, what is the critical
value?). Draw the rejection region.
Calculate the test statistic
State the conclusion you are entitled to draw as a
result of this test.
Calculate the effect size as appropriate for the
hypothesis test used.
A recent study on the effects of Tamiflu looked into whether
the antiviral medication can reduce the duration of...
Please state the null and alternative
hypotheses.
Using an alpha level of .05, please test the null
hypothesis (what is the appropriate test, what is the critical
value?). Draw the rejection region.
Calculate the test statistic
State the conclusion you are entitled to draw as a
result of this test.
Calculate the effect size as appropriate for the
hypothesis test used.
A current popular game relies on the rolling of twenty sided
dice to determine success or failure. The current...
what is the difference between Cohen’s d and eta^2? In one way
ANOVA, two way ANOVA, and repeated measures ANOVA is cohen’s d only
used for one way ANOVA and repeated measures ANOVA?
Part 2 of 2 - Two-way ANOVA
Two-way ANOVA: For the problem below, use the ANOVA table to
determine whether the main effects and interaction were
significant. Use the table of means and effect sizes to interpret
the significant effects.
Katy is interested in the impact of different types of
studying methods on students’ memory for different topics. She
assesses the impact of flashcards versus study guides on students’
memory of biology versus psychology. The mean performance memory
scores, ANOVA...
Problem Set 4.8: One-Way ANOVA in SPSS
Criterion: Calculate an ANOVA in SPSS.
Data: Tyrone is testing out dye strength after
washing dyed fabric for his new fabric line. He dyes his fabrics
blue, green, and yellow and washes the fabric one time. The
following are the dye strength results for 10 pieces of fabric in
each color after one wash:
Blue
Green
Yellow
98
55
66
96
53
71
92
57
73
92
60
71
88
52
76
86...
Discuss the applications of ANOVA (One-Way ANOVA, Two-Way ANOVA)
and regression techniques in the context of e-commerce firms like
Amazon, Flipkart etc.
data from 4.8:
Problem Set 4.8: One-Way ANOVA in SPSS
Criterion: Calculate an ANOVA in SPSS.
Data: Tyrone is testing out dye strength after
washing dyed fabric for his new fabric line. He dyes his fabrics
blue, green, and yellow and washes the fabric one time. The
following are the dye strength results for 10 pieces of fabric in
each color after one wash:
Blue
Green
Yellow
98
55
66
96
53
71
92
57
73
92
60
71
88...