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Use the following data from two independent samples, one group of students who received six months of standard treatment for their adjustment disorder, and a separate group of students who received six months of multicultural orientation treatment for their adjustment disorder. You will do the calculations below that will lead to conducting a t-Test for Two Independent Samples. Based on your results, you will then determine if the post-treatment adjustment scores are significantly different for the two independent samples. Your lab instructors will inform you how to submit this Lab Individual Assignment for grading.

Multicultural Framework (Sample A) Standard Treatment (Sample B)
9 7
11 8
13 10
10 6
11 8
9 5
15 7
14 12
10 5

Required:
a. n1= _________ and n2=________
b. df1= _________ and df2=_______
c. Total df=______

Sagot :

MrRoyal

Answer:

[tex]n1 = 9[/tex] and [tex]n2 = 9[/tex]

[tex]df1 = 8[/tex] and [tex]df2 = 8[/tex]

[tex]df = 16[/tex]

Step-by-step explanation:

Given

The above data

Solving (a): n1 and n2

This is the number of rows in each category

For sample A

[tex]n1 = 9[/tex]

For sample B

[tex]n2 = 9[/tex]

Solving (b): df1 and df2

This is calculated as:

[tex]df = n - 1[/tex]

For n1:

[tex]df1 = n1 - 1[/tex]

[tex]df1 = 9 - 1[/tex]

[tex]df1 = 8[/tex]

For n2:

[tex]df2 = n2- 1[/tex]

[tex]df2 = 9- 1[/tex]

[tex]df2 = 8[/tex]

Solving (c): Total df

Since there 2 categories of data, the total degrees of freedom is:

[tex]df = n1 + n2 - 2[/tex]

[tex]df = 9 + 9 - 2[/tex]

[tex]df = 16[/tex]

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