MAT 210.1
Name: _
I. The blood glucose level, in milligrams per deciliter, for 60 patients is shown below. Construct
a frequency distribution for the data set, using six classes.
55
115
118
114
59
109
63
97
90
59
105
81
84
81
82
61
103
77
82
76
68
86
97
8
210.1
Project 4
Name: _
I. A study conducted by a television station showed the number of televisions per household and the
corresponding probabilities for each. Find the mean, variance, and standard deviation.
Number of televisions X
1
2
3
4
Probability,
Elementary Statistics
Department of Mathematics
Piedmont College
Professor: Dr. S. Heydari
E-mail: [email protected]
Office: 303-A Daniel Hall
Office Hours: M-W-F: 10:00-12:00, 1:00-2:00; T-TH: 11:00-12:00
Course: Math 210.3, Elementary Statistics
Tex
MAT 210.1
Project 2
Name: _
I. A sample of ten motors were tested and the following data were obtained for the
number of revolutions per minute the flywheel attached to the motors turned. Find
the mean, median, variance, and standard deviation.
215
308
22
Math 210
PROJECT 3
Name: _
I. In a board of directors composed of eight people, how many ways can a chief
executive officer, a director, and a treasurer be selected?
Answer:
II. There are 6 Republicans, 5 democrats, and 4 Independent candidates. How
many
MAT 210.1
Project 6
Name: _
I. An emergency service wishes to see whether a relationship exists between the outside
temperature and the number of emergency calls it receives. The data follow.
Temperature
68
74
82
88
93
99
101
Number of Calls
7
4
8
10
11
9
MAT 210
Project 2
Name: _
SHOW ALL WORK
I. A sample of exam scores for 18 English composition students ere recorded
as follows. Find the mean, median, variance, and standard deviation for the
sample
78, 62, 98, 90, 88, 73, 79, 86, 81,
84, 93, 97, 63, 59,
Project 5
Name: _
I. Researchers found that for a certain ethnic group, the females lose an average of 65 hairs
per week from their heads. The standard deviation of the sample of 36 females was 4. Find
the 95% confidence interval for the population mean.