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Mathematics

Statistics

Easy

Question

Which of the following is true regarding table:

X
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5

y
1
0.9
0.8
1
0.8
0.8
0.7
0.6
0.6
0.6
0.5

No association
Positive association
Negative association
Non – linear association

The correct answer is: Negative association

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Identify the association between the data

Identify the association between the data

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Identify the point on the graph
.

Identify the point on the graph
.

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Find the relative frequency of women watching winter Olympics.
Olympics

Winter
Summer
Total

Men
45
34
79

Women
27
44
71

Total
72
78
150

Find the relative frequency of women watching winter Olympics.
Olympics

Winter
Summer
Total

Men
45
34
79

Women
27
44
71

Total
72
78
150

MathematicsStatistics

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Based on a survey to different age groups on the game they watch. A two-way frequency table is constructed choose the correct option.

Rugby
Base ball
tennis
Total

Teens
35
18
12
65

Adults
10
25
15
50

Total
45
43
27
115

Based on a survey to different age groups on the game they watch. A two-way frequency table is constructed choose the correct option.

Rugby
Base ball
tennis
Total

Teens
35
18
12
65

Adults
10
25
15
50

Total
45
43
27
115

MathematicsStatistics

Based on a survey to different age groups on the ice – cream flavor they would choose. A two-way frequency table is constructed choose the correct option.

Chocolate
Vanilla
Butter scotch
Total

Children
40
22
15
77

Teens
12
16
45
73

Adults
55
54
10
119

Total
107
92
70
269

Based on a survey to different age groups on the ice – cream flavor they would choose. A two-way frequency table is constructed choose the correct option.

Chocolate
Vanilla
Butter scotch
Total

Children
40
22
15
77

Teens
12
16
45
73

Adults
55
54
10
119

Total
107
92
70
269

MathematicsStatistics

The linear regression equation is y = 4. 7x + 51. The scatter plot at x = 5 is (5, 90). What is the residual associated with the point where x = 5 ?

The linear regression equation is y = 4. 7x + 51. The scatter plot at x = 5 is (5, 90). What is the residual associated with the point where x = 5 ?

MathematicsStatistics

parallel

Find the value of y when x is taken as 9 with the help of following table.

X
4
5
6
7
8
10
12

y
1.2
1.5
1.8
2.1
2.4
3.0
3.6

Find the value of y when x is taken as 9 with the help of following table.

X
4
5
6
7
8
10
12

y
1.2
1.5
1.8
2.1
2.4
3.0
3.6

MathematicsStatistics

Which of the following statements is true regarding the following table?

X
3
4
7
8
10

y
1
9
2
8
3

Which of the following statements is true regarding the following table?

X
3
4
7
8
10

y
1
9
2
8
3

MathematicsStatistics

From the graph find the value of y at x = 7

From the graph find the value of y at x = 7

MathematicsStatistics

parallel

Number of painters
30
43
47
30
11
48
20

Number of sculptors
25
33
50
27
6
58
45

Number of painters
30
43
47
30
11
48
20

Number of sculptors
25
33
50
27
6
58
45

MathematicsStatistics

Identify the association between the data

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Identify the point on the graph

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Study the table and choose option the relative frequency of the text messages by students.

E mail
Text
Total

Parent
18
12
30

Student
18
102
120

Total
36
114
150

Study the table and choose option the relative frequency of the text messages by students.

E mail
Text
Total

Parent
18
12
30

Student
18
102
120

Total
36
114
150

MathematicsStatistics

Study the table and choose the correct option

Movies
Games
Total

Male
32
48
80

Female
50
30
80

Total
82
78
160

Study the table and choose the correct option

Movies
Games
Total

Male
32
48
80

Female
50
30
80

Total
82
78
160

MathematicsStatistics

The two-way frequency gives the preference of the size of screen of adults and students. Study the table and choose the correct option.

Small
large
Total

Students
48
52
100

Adults
18
82
100

Total
66
134
200

The two-way frequency gives the preference of the size of screen of adults and students. Study the table and choose the correct option.

Small
large
Total

Students
48
52
100

Adults
18
82
100

Total
66
134
200

MathematicsStatistics

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