1819 24 25 QUESTION 26 A researcher is interested in whether an alternative treatment, "Attention Focus Formula", effectively reduces Attention Deficit Disorder (ADD). The researcher has access to 10 children who have all been diagnosed with ADD. He places them on a regimen of "Attention Focus Formula" for a period of six weeks. Afterwards, he gives the children the "Attention Deficit Disorders Evaluation Scale" (ADDES), which is a 43-item test. Population scores on the ADDES are known to have a standard deviation of 12 and a score of 30 is average for children who have a clinical level of ADD. The following ADDES scores were obtained from the 10 children after being given Attention Focus for six weeks. The researcher wants to know if Attention focus Formula was effective in reducing ADD. (use alpha=0.05) Child# 1 3. 8. 6. 10 %3D 11 %3D 11 11 11 %3D ADDES score 24 21 28 29 25 22 28 Iи Па Which of the following is the correct answer for Step 1 of the hypothesis test? O Ho : u= 30 H1 : u> 30 O Ho= 30 Hl : µ<30 OHo:= 26.3 Hl : u<26.3 OHo : H= 30 H1 : u#30 Save All Answers Click Save and Submit to save and submit. Click Save All Answers to save all answers. 31 30 25 2. 13 %3D

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1819
24
25
QUESTION 26
A researcher is interested in whether an alternative treatment, "Attention Focus Formula", effectively reduces Attention Deficit Disorder (ADD). The researcher has
access to 10 children who have all been diagnosed with ADD. He places them on a regimen of "Attention Focus Formula" for a period of six weeks. Afterwards, he
gives the children the "Attention Deficit Disorders Evaluation Scale" (ADDES), which is a 43-item test. Population scores on the ADDES are known to have a
standard deviation of 12 and a score of 30 is average for children who have a clinical level of ADD. The following ADDES scores were obtained from
the 10 children after being given Attention Focus for six weeks. The researcher wants to know if Attention focus Formula was effective in reducing ADD. (use
alpha=0.05)
Child#
1
3.
8.
6.
10
%3D
11
%3D
11
11
11
%3D
ADDES score
24
21
28
29
25
22
28
Iи
Па
Which of the following is the correct answer for Step 1 of the hypothesis test?
O Ho : u= 30
H1 : u> 30
O Ho= 30
Hl : µ<30
OHo:= 26.3
Hl : u<26.3
OHo : H= 30
H1 : u#30
Save All Answers
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
31
30
25
2.
13
%3D
Transcribed Image Text:1819 24 25 QUESTION 26 A researcher is interested in whether an alternative treatment, "Attention Focus Formula", effectively reduces Attention Deficit Disorder (ADD). The researcher has access to 10 children who have all been diagnosed with ADD. He places them on a regimen of "Attention Focus Formula" for a period of six weeks. Afterwards, he gives the children the "Attention Deficit Disorders Evaluation Scale" (ADDES), which is a 43-item test. Population scores on the ADDES are known to have a standard deviation of 12 and a score of 30 is average for children who have a clinical level of ADD. The following ADDES scores were obtained from the 10 children after being given Attention Focus for six weeks. The researcher wants to know if Attention focus Formula was effective in reducing ADD. (use alpha=0.05) Child# 1 3. 8. 6. 10 %3D 11 %3D 11 11 11 %3D ADDES score 24 21 28 29 25 22 28 Iи Па Which of the following is the correct answer for Step 1 of the hypothesis test? O Ho : u= 30 H1 : u> 30 O Ho= 30 Hl : µ<30 OHo:= 26.3 Hl : u<26.3 OHo : H= 30 H1 : u#30 Save All Answers Click Save and Submit to save and submit. Click Save All Answers to save all answers. 31 30 25 2. 13 %3D
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