Conduct a paired-samples t-test if D = 28.20, s D = 145.91, and n D = 81.
Question:
Conduct a paired-samples t-test if D = 28.20, sD = 145.91, and nD = 81.
a. What is the null hypothesis?
b. What would the α value be for this NHST?
c. Is a one- or a two-tailed hypothesis appropriate for this scenario? Justify your response.
d. What is the alternative hypothesis for this paired-samples t-test?
e. Calculate the degrees of freedom in this example.
f. Find the tcrit value.
g. Calculate the tobs value for the data.
h. Should you reject or retain the null hypothesis?
i. Calculate Cohen’s d for these data, using the equation in Sidebar 9.2.
j. Find a p-value for these data.
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a The null hypothesis for this pairedsamples ttest is that there is no difference between the two sa...View the full answer
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Related Book For 
Statistics For The Social Sciences A General Linear Model Approach
ISBN: 9781107576971
1st Edition
Authors: Russell T. Warne
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