The probability that a randomly selected child whose mother owned a cat has had a psychotic episode
|
Ownership |
Age |
PE |
|
NoCat |
13 |
Yes |
|
Cat |
14 |
Yes |
|
NoCat |
14 |
Yes |
|
Cat |
19 |
Yes |
|
Cat |
16 |
Yes |
|
Cat |
13 |
Yes |
|
NoCat |
12 |
Yes |
|
Cat |
15 |
No |
|
Cat |
18 |
Yes |
|
Cat |
16 |
Yes |
|
Cat |
17 |
Yes |
|
Cat |
18 |
Yes |
|
Cat |
16 |
No |
|
Cat |
13 |
Yes |
|
NoCat |
16 |
Yes |
|
Cat |
12 |
Yes |
|
NoCat |
11 |
No |
|
Cat |
10 |
Yes |
|
Cat |
13 |
Yes |
|
NoCat |
14 |
No |
|
Cat |
18 |
No |
|
NoCat |
15 |
No |
|
NoCat |
14 |
Yes |
|
Cat |
16 |
Yes |
|
NoCat |
12 |
No |
|
Cat |
12 |
Yes |
|
Cat |
17 |
Yes |
|
Cat |
15 |
Yes |
|
Cat |
14 |
Yes |
|
Cat |
13 |
No |
|
Cat |
17 |
Yes |
|
Cat |
14 |
No |
|
Cat |
14 |
Yes |
|
Cat |
15 |
Yes |
|
Cat |
17 |
No |
|
NoCat |
18 |
Yes |
|
NoCat |
13 |
Yes |
|
Cat |
14 |
No |
|
Cat |
14 |
Yes |
|
NoCat |
15 |
Yes |
|
Cat |
14 |
Yes |
|
Cat |
16 |
Yes |
|
Cat |
14 |
Yes |
|
NoCat |
16 |
No |
|
NoCat |
12 |
No |
|
NoCat |
14 |
No |
|
NoCat |
15 |
No |
|
NoCat |
19 |
No |
|
NoCat |
15 |
Yes |
|
NoCat |
15 |
No |
|
Cat |
11 |
No |
|
Cat |
19 |
Yes |
|
NoCat |
15 |
Yes |
A study investigates whether cat ownership by mothers during pregnancy is associated with their children experiencing psychotic episodes. The study uses data from a hospital
OwnershipCat ownership by mother in pregnancy (Cat/NoCat)
Age Age of the child (years)
PEThe child has experienced psychotic episodes (Yes/No)
The probability that a randomly selected child whose mother owned a cat has had a psychotic episode is
0.242
0.320
0.714
0.758
Question 5
The appropriate statistical test to investigate whether psychotic episodes in children are related to their mothers owning a cat during the pregnancy is a
Two-sample t test
Two-way ANOVA
One-way ANOVA
Chi-square test
Question 6
Assuming no association, the expected number of children who experienced psychotic episodes and whose mother owned a cat during the pregnancy is
8.83
11.21
21.79
25.00
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