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statistics
1. A set of datum is called ....
a. datum
b. data
c. sample
d. population
e. statistical
Answer : b
2. Quantitative data is data ....
a. up to date
b. comprehensive
c. correlative
d. in numerical form
e. not in numerical form
Answer : d
3.
From the diagram above, how many people in the car 4?
a. 4
b. 8
c. 10
d. 20
e. 22
Answer : c
4.
The highest temperature is in ....
a. Sunday
b. Monday
c. Tuesday
d. Wednesday
e. Thursday
Answer : b
5.
In a village of 1440 people there, everyone likes different foods. From the diagram above,
how many people are vegetarians?
a. 160 people
b. 240 people
c. 360 people
d. 600 people
e. 1440 people
Answer : c
<vegetarian = 3600 - (<beef + <pork + <other)
= 3600 - (1500 + 400 + 800)
= 900
vegetarian = 900 x 1440 people = 360 people
3600
6.
From the table above, the bottom margin & top margin of the third class is ....
a. 30.5 & 40.5
b. 40.5 & 50.5
c. 50.5 & 60.5
d. 60.5 & 70.5
e. 70.5 & 80.5
Answer : b
7. To determine the number of the class, you can use the following Sturges’ rule, it is ....
a. k = 3 + 3.3 log n
b. k = 2 + 3.3 log n
c. k = 1 + 3.3 log n
d. k = 1 + 3.2 log n
e. k = 1 + 3.1 log n
Answer : c
8. A method of data presentation from the frequency distribution by using bars or squares of
the same width is called ....
a. histogram
b. polygon
c. ogive
d. positive ogive
e. negative ogive
Answer : a
9.
The “p” and “r” are ....
a. negative ogive and positive ogive
b. postive ogive and negative ogive
c. polygon and histogram
d. histogram and polygon
e. histogram and diagram
Answer : d
10.
The “x” is ....
a. line
b. polygon
c. histogram
d. positive ogive
e. negative ogive
Answer : e
Thank You
p
r
x
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