1. Fifteen randomly selected business administration students were asked to state the number of hours they slept last Sunday. The resulting data are 4, ,5, 7, 6, 7, 8, 10, 5, 4, 11, 12, 11, 10, 8, and 7. Find (or compute) for a. mean b. median c. mode
1. Fifteen randomly selected business administration students were asked to state the number of hours they slept last Sunday. The resulting data are 4, ,5, 7, 6, 7, 8, 10, 5, 4, 11, 12, 11, 10, 8, and 7. Find (or compute) for a. mean b. median c. mode
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Assignment 5.1
1. Fifteen randomly selected business administration students were asked to state the number of
hours they slept last Sunday. The resulting data are 4, ,5, 7, 6, 7, 8, 10, 5, 4, 11, 12, 11, 10, 8, and
7. Find (or compute) for
a. mean
b. median
c. mode
d. Q1
e. Da
f. Pas
g. Pos
2. The following distribution represents the result in a mental ability test of the first year
students in XYZ College
Frequency
Class Interval
Scores
Number of Students:
140 – 144
135 - 139
3
130 - 134
2
125 - 129
14
120 - 124
19
115 - 119
15
110 - 114
4
105 - 109
2
C=
n =
Solve for the following: Use the formula for grouped data.
f. D3
g. D7
h. Pas
i. Pao
a. X
b. I
d. Q3
e. Q2
J. Po
Transcribed Image Text:АCTIVITY 5.1
1. The following are the ages of working students in one of the fast food chains: 18, 20, 21, 18, 20,
18, 22, 24, 27, 25.
Compute for the following: (Use the formula for ungrouped data)
a. mean
b. median
c. mode
d.Q.
e. D.
f. Pas
g. Pgo
2. The grade in Statistics of a class in a preliminary exam are as follows: Complete the table.
No. of
Midpoint
(Xm)
Grades
Deviation
(CI)
< cf
students
d
fd
(1)
90 - 92
3
87 - 89
5
84 - 86
10
81 - 83
12
78 - 80
15
79
1185
30
75 - 77
9.
72 - 74
4
69 - 71
C =
2
n =
Solve for the following: Use the formula for grouped data.
f. D.
g Dy
h. P6s
i. Pao
J. Pg9
a. i
b.
C.
d. Q1
е. Рзо
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