O H. Họ : ũ Before = ñAster HA : Before + MAsier O I. Ho : µp = 0 HA: HD#0 O J. Ho : ū Before = ñ aster HA: Besore < ñaster O K. Ho : Hp = 0 HA: HD < 0 O L. Ho : HBefore = HAfter HA: H Before < HASier (Find the value of the test statistic for this test, use at least one decimal in your answer. Test Statistic = a) is the same as b) more than c) less than d) is the different than Determine the P-value of your statistical test, and report it to at least three decimal places. P = a) reject b) fail to reject At a = 0.05, this data indicates that you will ? v the null hypothesis. You can say the test scores before the accident ? v after the accident.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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By hand or R-Studio is fine. Thanks in advance! 

Note: data in row 9 column "score.before.accident" is intentionally missing.

 

Number.of.Months.away.from.Accident

Score.Before.Accident

Score.After.Accident

1

1

6.02

3.03

2

2

4.46

6.75

3

3

5.9

0.97

4

4

3.78

1.16

5

5

5.56

1.56

6

6

4.48

1.9

7

7

4.67

1.92

8

8

5.59

3.13

9

9

 

2.71

A police officer is given monthly tests (each month is a new test) to assess their ability to be effective in the workplace. Unfortunately, this police officer recently suffered a serious accident. In their words, they said "the accident changed them,"
II
they believe that they are a completely different person before versus after the accident. Would like to determine if their performance has significantly changed since the accident.
*Use a = 5% for all following tests.
*Use before = sample 1
Download .csv file
TEST SCORES
1
2
3
4
Find the p-values of the normality tests, use at least three decimals in your answer.
Before P-value =
After P-value =
...
Using the technology available to you, visually and statistically inspect this data. From this, construct the most appropriate statistical hypotheses.
А. Но : ИВеfore — ИАfier
HA : HBefore HAfter
B. Ho : ũ Before = ñ After HA : Be fore > Ha fter
С. Но : ИВеfore 3 ИAfier
На : ИВеfore > НAfier
O D. Ho : ip = 0 HA: ũp #0
Е. Но : йр
На : йр > 0
||
F. Ho : Hp = 0 HẠ: HD
> 0
O G. Ho : ip = 0 _HA:ũp< 0
After Accident, sample 2
Transcribed Image Text:A police officer is given monthly tests (each month is a new test) to assess their ability to be effective in the workplace. Unfortunately, this police officer recently suffered a serious accident. In their words, they said "the accident changed them," II they believe that they are a completely different person before versus after the accident. Would like to determine if their performance has significantly changed since the accident. *Use a = 5% for all following tests. *Use before = sample 1 Download .csv file TEST SCORES 1 2 3 4 Find the p-values of the normality tests, use at least three decimals in your answer. Before P-value = After P-value = ... Using the technology available to you, visually and statistically inspect this data. From this, construct the most appropriate statistical hypotheses. А. Но : ИВеfore — ИАfier HA : HBefore HAfter B. Ho : ũ Before = ñ After HA : Be fore > Ha fter С. Но : ИВеfore 3 ИAfier На : ИВеfore > НAfier O D. Ho : ip = 0 HA: ũp #0 Е. Но : йр На : йр > 0 || F. Ho : Hp = 0 HẠ: HD > 0 O G. Ho : ip = 0 _HA:ũp< 0 After Accident, sample 2
O H. Họ : Ã Before = ñ after
На : И Веfore
+ Ã A fter
A
O I. Ho : HD = 0
HA : HD +0
O J. Ho : Before = ñ aster HA : i Be fore < ñaster
HA : Ü Before < HAfter
O K. Ho : µp = 0 HẠ: µD < 0
L. Ho : HBefore
HAfter
На:
H Before
< HAfter
(Find the value of the test statistic for this test, use at least one decimal in your answer.
Test Statistic =
a) is the same as
b) more than
c) less than
d) is the different than
Determine the P-value of your statistical test, and report it to at least three decimal places.
P =
a) reject
b) fail to reject
At a = 0.05, this data indicates that you will ?
the null hypothesis. You can say the test scores before the accident ?
after the accident.
Transcribed Image Text:O H. Họ : Ã Before = ñ after На : И Веfore + Ã A fter A O I. Ho : HD = 0 HA : HD +0 O J. Ho : Before = ñ aster HA : i Be fore < ñaster HA : Ü Before < HAfter O K. Ho : µp = 0 HẠ: µD < 0 L. Ho : HBefore HAfter На: H Before < HAfter (Find the value of the test statistic for this test, use at least one decimal in your answer. Test Statistic = a) is the same as b) more than c) less than d) is the different than Determine the P-value of your statistical test, and report it to at least three decimal places. P = a) reject b) fail to reject At a = 0.05, this data indicates that you will ? the null hypothesis. You can say the test scores before the accident ? after the accident.
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