Construct a Confidlomce hiterval pd, fhe nuan of fle diffevemce d for the pepaketiun of pairad data. ASume Hat the pepulaton of paived difoumces lc nonnely walm y paral to uaromidad 57 A fasf of abstact reasonimg Sample of Stuclents be fire comcl affer they Completad 9 turmal hgic Course. The yasuits are gien belar.construct a 95%° Confilemce ntenal fr fhe Mean differermie butneeen the hefove and affer scores Before F4 83 75 8884 63 93 84 91 77 After 73 77 70 7774 67 95 83 84 75 li ven to a random

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Construct a Confidlomce hiterval pd, fhe nuan of fle
diffevemce d for the pepaketiun of pairad data. ASume
Hat the pepulaton of paived difoumces lc nonnely
walm y paral to uaromidad
57 A fasf of abstact reasonimg
Sample of Stuclents be fire comcl affer they Completad 9
turmal hgic Course. The yasuits are gien belar.construct
a 95%° Confilemce ntenal fr fhe Mean differermie
butneeen the hefove and affer scores
Before F4 83 75 8884 63 93 84 91 77
After 73 77 70 7774 67 95 83 84 75
li ven to a random
Transcribed Image Text:Construct a Confidlomce hiterval pd, fhe nuan of fle diffevemce d for the pepaketiun of pairad data. ASume Hat the pepulaton of paived difoumces lc nonnely walm y paral to uaromidad 57 A fasf of abstact reasonimg Sample of Stuclents be fire comcl affer they Completad 9 turmal hgic Course. The yasuits are gien belar.construct a 95%° Confilemce ntenal fr fhe Mean differermie butneeen the hefove and affer scores Before F4 83 75 8884 63 93 84 91 77 After 73 77 70 7774 67 95 83 84 75 li ven to a random
Expert Solution
Step 1

Obtain the 95% confidence interval for the mean difference between the before and after scores.

The 95% confidence interval for the mean difference between the before and after scores is obtained below:

The formula for the Confidence interval for paired differences between the mean is:

Statistics homework question answer, step 1, image 1

Statistics homework question answer, step 1, image 2

Obtain the degrees of degrees of freedom.

The degrees of freedom are obtained below:

From the information, given that there is a sample of 10 participants.

Statistics homework question answer, step 1, image 3

Thus, the degrees of freedom used are 9.

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