T-Test

Two sample Independent t-test

You want to test your hypothesis below:

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There is a difference in developing skills by practice methods: Distributed practice vs. Massed practice.

Provide your answers in the template below the data set.

distributed practice massed practice
17 19
18 20
16 22
18 24
12 10
20 25
18 20
20 22
20 21
22 23
20 20
10 10
8 12
12 14
16 12
16 20
18 22
20 24
18 23
21 17

 

State the Ha=
State the H0=
  Distributed practice Massed Practice
Mean    
SD    
t-test, p value  
Conclusion (reject or accept the null)  
Interpret the conclusion  

 

 

You want to test your hypothesis below:

There is a difference in mean test scores between two classes: Class 1 vs. Class 2

Provide your answers in the template below the data set.

 

class 1  class 2
15 15
23 12
22 17
18 17
19 19
18 17
15 17
19 18
16 13
21 20
15 19
14 21
20 21
23 14
19 19
17 17
17 17
21 18
7 13
16 20
14 19
17 21

 

State the Ha=
State the H0=
  Class 1 Class 2
Mean    
SD    
t-test, p value  
Conclusion (reject or accept the null)  
Interpret the conclusion  

 

 

Two sample Dependent t-test (or Paired t-test)

You want to test your hypothesis below:

There is a difference in mean test scores between Exam 1 and Exam 2

Provide your answers in the template below the data set.

Exam 1 Exam 2
17 19
18 20
16 22
18 24
12 10
20 25
18 20
20 22
20 21
22 23
20 20
10 10
8 12
12 14
16 12
16 20
18 22
20 24
18 23
21 17

 

State the Ha=
State the H0=
  Exam 1 Exam 2
Mean    
SD    
t-test, p value  
Conclusion (reject or accept the null)  
Interpret the conclusion  

 

 

You want to test your hypothesis below:

There is a difference in mean test scores between before practice and after practice.

Provide your answers in the template below the data set.

 

Before After
13 16
16 18
10 12
14 18
15 18
12 15
11 12
18 20
19 20
16 18
15 18
14 15
12 12
13 17
14 16
15 17

 

State the Ha=
State the H0=
  Before After
Mean    
SD    
t-test, p value  
Conclusion (reject or accept the null)  
Interpret the conclusion  

 

 

One sample t-test

You want to test your hypothesis below:

There is a difference in Match test scores between Class A and National Math Test average.  You have only one sample with 22 students.

The National Math Test average is 13.

Provide your answers in the template below the data set.

MATH test
15
23
22
18
19
18
15
19
16
21
15
14
20
23
19
17
17
21
7
16
14
17

 

State the Ha=
State the H0=
  Class A National
Mean    
SD    
t-test, p value  
Conclusion (reject or accept the null)  
Interpret the conclusion  

 

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