3. A medical researcher examined the number of asthma attacks patients had both before andwhile using an advanced air purifier. Seven patients were included in the study. The number ofasthma attacks for each patient before and during using the air purifier is reported below. Use a05, 2-tailedPatientBeforeDuringPurifierPurifier1429812647456361065a. State the null and alternative hypotheses below.b. What type of test should be run on the data (be specific with the exact name of the test)? Forexample, don't just state "t test," but the specific t test used.c. What is the conclusion of the hypothesis test? State the p-value and the decision about thehypothesis test below. (Don't write the results here that will be done in (e) below -just state pand whether Ho is rejected.)d. What is the effect size for the study? Calculate and report the effect size below. Indicate themagnitude of the effect size according to Cohen's standards and interpret what the effect sizemeans in terms of standard deviation unitse. Write the results of the test in APA format below. (Hint: This type of write-up would bestructured in a similar fashion to what you see in your text.)

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Asked Nov 5, 2019
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I have attached a picture of the question, please only answer section A, B, and C. Thank you.

3. A medical researcher examined the number of asthma attacks patients had both before and
while using an advanced air purifier. Seven patients were included in the study. The number of
asthma attacks for each patient before and during using the air purifier is reported below. Use a
05, 2-tailed
Patient
Before
During
Purifier
Purifier
1
4
2
9
8
12
6
4
7
4
5
6
3
6
10
6
5
a. State the null and alternative hypotheses below.
b. What type of test should be run on the data (be specific with the exact name of the test)? For
example, don't just state "t test," but the specific t test used.
c. What is the conclusion of the hypothesis test? State the p-value and the decision about the
hypothesis test below. (Don't write the results here that will be done in (e) below -just state p
and whether Ho is rejected.)
d. What is the effect size for the study? Calculate and report the effect size below. Indicate the
magnitude of the effect size according to Cohen's standards and interpret what the effect size
means in terms of standard deviation units
e. Write the results of the test in APA format below. (Hint: This type of write-up would be
structured in a similar fashion to what you see in your text.)
help_outline

Image Transcriptionclose

3. A medical researcher examined the number of asthma attacks patients had both before and while using an advanced air purifier. Seven patients were included in the study. The number of asthma attacks for each patient before and during using the air purifier is reported below. Use a 05, 2-tailed Patient Before During Purifier Purifier 1 4 2 9 8 12 6 4 7 4 5 6 3 6 10 6 5 a. State the null and alternative hypotheses below. b. What type of test should be run on the data (be specific with the exact name of the test)? For example, don't just state "t test," but the specific t test used. c. What is the conclusion of the hypothesis test? State the p-value and the decision about the hypothesis test below. (Don't write the results here that will be done in (e) below -just state p and whether Ho is rejected.) d. What is the effect size for the study? Calculate and report the effect size below. Indicate the magnitude of the effect size according to Cohen's standards and interpret what the effect size means in terms of standard deviation units e. Write the results of the test in APA format below. (Hint: This type of write-up would be structured in a similar fashion to what you see in your text.)

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Expert Answer

Step 1

Hello there! there are more than three subparts in the question. According to our policies we cannot answer more than three sub parts in one question. So please find the solution for a,b,c parts of the question. If you have doubts in remaining part of the question kindly make a new request, mentioning the part in which you need help.

Step 2

Formulation of Hypothesis

Paired T-test is used when we have the same subject and comparing before and after the test.

Null Hypothesis: H0: µd=0 Vs Alternative Hypothesis: µd ≠ 0

 Where, n is the no of observations

SD is the sample standard deviation

Step 3

The following table shows the given d...

Patient Before
D x1-x2
(Dt-D)
During
Di-D
Purifier Purifier(x2)
(х1)
7
0
0
2
9
8
-2
4
3
12
6
7
4
0
5
6
0
0
6
10
6
4
1
1
7
5
4
1
-2
4
5
Sum 18
Mean 3
en
4
help_outline

Image Transcriptionclose

Patient Before D x1-x2 (Dt-D) During Di-D Purifier Purifier(x2) (х1) 7 0 0 2 9 8 -2 4 3 12 6 7 4 0 5 6 0 0 6 10 6 4 1 1 7 5 4 1 -2 4 5 Sum 18 Mean 3 en 4

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