A study conducted by researchers was designed​ "to determine if application of duct tape is as effective as cryotherapy in the treatment of common​ warts." The researchers randomly divided 69 69 patients into two groups. The 35

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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Chapter11: Data Analysis And Probability
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A study conducted by researchers was designed​ "to determine if application of duct tape is as effective as cryotherapy in the treatment of common​ warts." The researchers randomly divided
69
69 patients into two groups. The
35
35 patients in group 1 had their warts treated by applying duct tape. The
34
34 patients in group 2 had their warts treated by cryotherapy. Once the treatments were​ complete, it was determined that
69
69​% of the patients in group 1 and
85
85​% of the patients in group 2 had complete resolution of their warts. The researchers concluded that
cryotherapy
cryotherapy is significantly more effective in treating warts than
duct tape
duct tape. Complete parts​ (a) through​ (d) below.
​(a) What is the research​ objective?

A.
To determine if duct tape is as effective as cryotherapy in the treatment of warts

B.
To determine if cryotherapy is as effective as duct tape in the treatment of warts

C.
To determine if cryotherapy is effective in the treatment of warts

D.
To determine if duct tape is effective in the treatment of warts

​(b) What is the population being​ studied? What is the​ sample?

What is the population being​ studied?

A.
The total number of patients with complete resolution of their warts

B.
The
69
69 patients with warts

C.
All people who have warts

D.
The
34
34 patients in group 2

E.
The
35
35 patients in group 1

What is the​ sample?

A.
The
69
69 patients with warts

B.
The total number of patients with complete resolution of their warts

C.
The
34
34 patients in group 2

D.
The
35
35 patients in group 1

E.
All people who have warts

​(c) What are the descriptive​ statistics?

A.
69
69​% of all patients treated with duct tape and
85
85​% of all patients treated with cryotherapy will have resolution of their warts.

B.
There are
69
69 patients with warts.

C.
There are
35
35 patients in group 1 and
34
34 patients in group 2.

D.
69
69​% of patients in group 1 and
85
85​% of patients in group 2 had resolution of their warts.

​(d) What is the conclusion of the​ study?

A.
Duct tape and cryotherapy are equally effective in treating warts.

B.
Cryotherapy
Cryotherapy is significantly more effective than
duct tape
duct tape in treating warts.

C.
Duct tape
Duct tape is significantly more effective than
cryotherapy
cryotherapy in treating warts.

D.
Cryotherapy is effective in the treatment of warts.

E.
Duct tape is effective in the treatment of warts.

Click to select your answer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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treat.

 

 


A diagram has a box on the left that reads "Random assignment of students to treat.". Two arrows branch from this box. The top arrow leads to a box labeled "Group 1". The bottom arrow leads to a box labeled "Group 2". The box labeled "Group 1" has an arrow leading to a box labeled "New". The box labeled "Group 2" has an arrow leading to a box labeled "Traditional". The boxes labeled "New" and "Traditional" have arrows leading to a box labeled "Compare scores".

B.
Figure 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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