Question

1)What would be the level of measurement for the quantity of Funko Pops owned by the people in a statistics class?

a) Ordinal

b) Nominal

c) Interval

d) Ratio

2) Which sampling method was used if a researcher studying the annual income of students went classroom to classroom during the 11:00 AM period and asked to randomly speak to 3 students in each room?

a) Stratified Sampling

b) Convenience Sampling

c) Cluster Sampling

d) Systematic Sampling

3) the height (in inches) for the 30 students taking Spanish with senorita English are listed below. Find appropriate class limits, if the students are to be broken into 6 classes. Start the first class at the minimum.

70 72 63 59 60 67 62 66 65 71 73 68 62

70 74 78 73 69 72 61 63 66 72 73 62 66

67 66 70 68

Classes |
Frequency |

4) Use the following data to find the four measures of central tendency (mean, median, mode, midrange) for the heights of some of the students in Senortia English’s Spanish class. When necessary, round answers to two decimal places.

70 72 63 59 60 67 69 66 65 71 73 68 62

70 74

Answer #1

Refer to the accompanying data set and construct a 95%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Males Females
81
82
72
94
52
57
59
66
51
54
62
80
52
77
74
85
51
89
62
57
73
35
61
64
62
87
80
74
80
79
63
62
63
67
97
76
43
60
85
65
72
86
66
85
73
69
72 ...

Kuya is relocating to China to manage a local branch of world
news broadcasting station. He needs to decide on which mobile phone
providers he should select based on a sample data of monthly
charges from various subscribers. He came to you with the data to
determine the provider with the lowest charges, on the average.
Which provider would you advise Kuya to select?
Mobile
Unicom
Telecom
62
60
62
55
71
58
69
64
68
58
65
57
56...

. The following data represent the final exam scores of 18 male
students and 18
female students.
Male: 68, 68, 72, 73, 65, 74, 73, 72, 68, 65, 73, 66, 71, 68,
74, 66, 71, 65
Female: 59, 75, 70, 56, 66, 75, 68, 75, 62, 60, 73, 61, 75, 74,
58, 60, 73, 58
Is there any significant difference between the average exam
scores of male and
female students? Explain your answer.

A high-school student has scored the following marks in a series
of tests administered over 10 weeks in mathematics and 2 science
subjects, Physics and Chemistry. The school management is
interested to know if there is any correlation between his
performance in Mathematics and the sciences.
Mathematics
78
74
68
85
57
67
73
61
70
66
Physics
73
69
60
81
62
63
75
64
63
59
Chemistry
71
72
63
79
67
60
71
68
69
63
Required:...

StudentNO
Gender
Height in inchese
1
Female
63
2
Female
64.0
3
Male
67.0
4
Female
59
5
Male
60
6
Female
61
7
Female
62
8
Female
63
9
Female
63
10
Female
64
11
Male
64
12
Female
65
13
Female
65
14
Female
65
15
Female
65
16
Female
66
17
Female
66
18
Male
67
19
Male
67
20
Male
67
21
Female
67
22
Male
67
23
Male
67
24
Female
67.5
25
Male
68...

A random sample of 30 male college students was selected, and
their heights were measured. The heights (in inches) are given
below.
73
66
68
70
69
69
69
66
68
70
72
74
73
71
71
72
69
68
66
73
74
72
68
71
67
73
66
73
69
72
(a) Complete the frequency distribution for the data. Make sure
to enter your answers for the relative frequency as decimals,
rounded to the nearest tenth.
Height
Frequency
Relative...

Kuya heard that oldest children tend to be more miserable about
life than their youngest siblings (not taking into consideration
the number of siblings in between). Kuya gathered data from 33
families and measured their scores on a misery scale. The lower the
score, the more miserable the person tends to be.
MISERY SCALE
SCORES
Oldest
Youngest
62
62
80
67
70
62
56
66
86
71
79
63
68
64
67
64
62
73
74
71
68
70
69...

Use ? to approximate σ. Use a 5% level of significance.
Data:
69
62
75
66
68
57
61
84
61
77
62
71
68
69
79
76
87
78
73
89
81
73
64
65
73
69
57
79
78
80
79
81
73
74
84
83
82
85
86
77
72
79
59
64
65
82
64
70
83
89
69
73
84
76
79
81
80
74
77
66
68
77
79
78
77

5. Students from an English class were asked to record their
heights in inches. Their heights were:
65, 72, 69, 64, 60, 55, 72, 71, 52, 63, 60, 74, 69, 67, 74, 50,
44, 75, 67, 62, 66, 81, 64, 65
a. Find the mean.
b. Identify the five number summary
c. Determine if there are any outliers.

Test score of 40 students are listed below. Find the percentile for
the test score of 66.
30 35 43 44 47 48 54 55 56 57
59 62 63 65 66 68 69 69 71 72
72 73 74 76 77 77 78 79 80 81
81 82 83 85 89 92 93 94 97 98

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