‫معاهد أمجاد الجامعية‬
BT1 ‫ مراقب صحي‬:‫الصف والإختصاص‬
:‫إسـم الطالب‬
‫ دقيقة‬90:‫المـدة‬
‫ كامل بسما‬:‫إسم الأستاذ‬
.........../......./...... ........... :‫التاريخ‬
biostatistics :‫المـــــادة‬
.
I.
II.
Given the following data that represent the number of books read by grade 8 students.
Number of
1
2
3
4
5
books read
Frequency
2
6
4
5
3
1) Identify the population, individual, variable and nature of variable. (2 points)
2) Calculate the total frequency. (1 point)
3) Copy the table and complete it showing the relative frequency, % relative
frequency, increasing cumulative frequency (ICF) and decreasing cumulative
frequency (DCF). (4 points)
4) Draw a bar graph that represents the frequency of the number of books read by
grade 8 students. (2 points)
5) What is the number of students who read: (3 points)
a) 3 books
b) Less than 3 books
c) More than 3 books
d) Less than or equal to 4 books
e) More than or equal to 4 books
f) Between {2,4} books
Given the following polygon graph:
1) Identify the population, individual, variable and nature of variable. (2 points)
2) Calculate the total frequency. (1 point)
3) Represent a table showing the frequency, relative frequency, % relative frequency,
increasing cumulative frequency (ICF) and decreasing cumulative frequency (DCF).
(5 points)