Question

A survey was made to determine the popularity of hockey, baseball and football. Of those surveyed, 35% watched hockey, 58% watched baseball, and 47% watched football. 15% watched hockey and baseball, 20% watched baseball and football, and 22% watched hockey and football. 7% watched all three sports. What percentage of those surveyed only watched baseball?

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An elementary school has 3 sports clubs: baseball, football, and
ice hockey. Those clubs are open to any of the 100 students in the
school. There are 36 students play football, 28 play baseball, and
14 play ice hockey. There are 12 students play both football and
baseball, 6 play both football and ice hockey, 4 play both baseball
and ice hockey. In addition, there are 2 students play all 3
sports.
(a) If a student is chosen randomly, what...

A survey of 295 college students produced the
following information:
82 are
practicing football, (FB)
115 are practicing
basketball, (BB)
63 are practicing
volleyball, (VB)
27 are practicing
both FB and VB,
35 are practicing
both FB and BB,
40 are practicing
both BB and VB,
20 are practicing all
the three types of sports.
How many students were surveyed who are practicing two
sports?
How many students were surveyed who are practicing only
FB?
How many students are practicing...

1. The following resting data were collected from three
different sports teams (hockey, rugby and football). Ignoring the
sport played, run a Kolmogorov–Smirnov test on the age variable.
What is the correct expression for the result?
ID
Sport
Age (y)
Body mass (kg)
Stature (m)
Resting heart rate (bpm)
Resting systolic blood pressure (mmHg)
Resting diastolic blood pressure (mmHg)
Resting mean arterial pressure (mmHg)
1
Hockey
18
79
1.83
65
121
79
93
2
Hockey
20
79.9
1.78
50
127...

16. The following resting data were collected from three
different sports teams (hockey, rugby and football). Ignoring the
sport played, run a Kolmogorov–Smirnov test on the age variable.
What is the correct expression for the result?
ID
Sport
Age (y)
Body mass (kg)
Stature (m)
Resting heart rate (bpm)
Resting systolic blood pressure (mmHg)
Resting diastolic blood pressure (mmHg)
Resting mean arterial pressure (mmHg)
1
Hockey
18
79
1.83
65
121
79
93
2
Hockey
20
79.9
1.78
50
127...

A researcher surveyed 12 men who lost their fathers earlier in
their lives. His survey included the age of the subjects
when their fathers died and their confidence that they would
someday be happily married themselves (100 point scale – higher
score = more confidence). The results are shown
below.
Mx=15 My =60
SSx=348 SSy=5198
SPxy=933
Age
Confidence Rating
12
34
8
30
11
89
21
69
15
55
7
38
18
78
23
66
22
89
19
79
9
35
15...

A researcher surveyed 12 men who lost their fathers earlier in
their lives. His survey included the age of the subjects
when their fathers died and their confidence that they would
someday be happily married themselves (100 point scale – higher
score = more confidence). The results are shown
below.
Mx=15 My =60
SSx=348 SSy=5198
SPxy=933
Age
Confidence Rating
12
34
8
30
11
89
21
69
15
55
7
38
18
78
23
66
22
89
19
79
9
35
15...

In a survey on supernatural experiences, 724 of 4003 adult
Americans surveyed reported that they had seen or been with a
ghost.
(a) What assumption must be made in order for it to be
appropriate to use the formula of this section to construct a
confidence interval to estimate the proportion of all adult
Americans who have seen or been with a ghost?
We need to assume that there are only 724 adult Americans.We
need to assume that the 4003...

6. Using the class data (see Blackboard file - "Class Survey
Data - PSS-10 and GAS") calculate the correlation between the GAS –
Goal disengagement and the GAS – Goal reengagement scores. Write
the results in a statistical statement.
7. Using the class data calculate the correlation between the
GAS – Goal disengagement and the PSS-10 scores. Write the results
in a statistical statement.
8. Using the class data calculate the correlation between the
GAS – Goal reengagement scores and...

B. Determine whether or not the table is a valid probability
distribution of a discrete random variable. Explain fully.
X
0.23
0.14
0.17
P(X=x)
-0.22
0.38
0.84
Daily sales of a medium sized restaurant are normally
distributed with a mean of $720 and a standard deviation of
$80.
What is the probability that a randomly selected day will make
a sales of at least $656?
What is the probability that a randomly selected day will make
a sales between $680...

The National Football League (NFL) holds its annual draft of the
nation's best college football players in April each year. Prior to
the draft, various sporting news services project the players who
will be drafted along with the order in which each will be selected
in what are called mock drafts. Players who are considered to have
superior potential as professional football players are selected
earlier in the draft. Suppose the following table shows projections
by one mock draft service...

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