stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
STATISTICS AND PROBABILITY Flashcards | StudBud
Explore
/
STATISTICS AND PROBABILITY
x ̂
Naka ilang Activity na tayo?
STATISTICS AND PROBABILITY
50 terms
·
StudBud Administration
·
41 plays
Imported from external platform
Flashcards
50 cards
F
Practice quiz
P
Host live
L
Questions
50
Answers
1
Naka ilang Activity na tayo?
5
3
4
2
x ̂
mean
median
mode
3
The Greek letter ∑▒(sigma) is the mathematical symbol for Subtraction
True
False
4
82, 83, 80, 88, 85, 80, 83. What is the mode?
80
83
82
85
5
The mean of an ungrouped set of data is equal to the sum of individual values, multiply by the number of values.
True
False
6
There are three common measures of central tendency, EXCEPT.
mean
modal
mode
median
7
The symbol ∑▒f means?
the minus of all the frequencies
the sum of all the frequencies
the fraction of all the frequencies
the times of all the frequencies
8
The range is the difference of the highest scores minus the lowest score
False
True
9
x ̃
mean
Media
mode
10
97, 92, 96, 95, 90. The mean is?
94
95
93
96
11
f
-2, 4, 6, 8, 9,10, 11, 12, 13. The A.M or Assumed mean is?
13
9
10
12
12
The tabular presentation of data is called the frequency distribution table.
False
True
13
A set is
_______
if it contains two modes.
bimodal
trimodal
unimodal
mode
14
If the range is 10, and the desired number of classes is 5, what is the class width or (i)?
4
2
1
3
15
A set of data with three modes is
_______
.
trimodal
unimodal
bimodal
mode
16
|90-94|=?
|4|
-4
4
|-4|
17
The
greater than cumulative
frequency(>Cf)
is found in the same manner but in reverse order.
False
True
18
1, 2, 3, 4, 5, 6, 7, 8, 9,10. The median is?
6
5
6.5
5.5
19
1, 5, 8, 4, 9, 5, 9, 1, 5. The mode is?
1
9
5
20
∑▒(fx) means the
sum
of all the products of the
frequency
and the corresponding
class mark
.
True
False
21
◦The
Median
is the
_______
value in set quantities.
middle
back
top
front
22
Range
is simply the difference of the highest
(H)
and lowest
(L)
scores in a set of data under consideration.
False
True
none
none
23
If the class is 3-13, what is the class mark?
6
9
8
7
24
◦The
Median
is the
_______
value in set quantities.
middle
top
back
front
25
The
______
or arithmetic average is the most important
median
mode
mean
26
Kung ngayon ay Lunes, anung araw bukas?
webes
martes
Biyernes
miyerkules
27
2, 4, 1, 5, 3, 6, 7. What is the range?
8
5
6
9
28
In Standard Deviation and Variance, what is step 3?
Compute the mean score
Find the mean of the squared deviations.
Square each deviation.
Find the deviation of each scores form the mean.
29
(3)
2
9
6
3
none of the above
30
In the class 25-27, the upper boundary
(UB)
is
25.5
27.5
24.5
26.5
31
Median need to arrange the quantities either in ascending or descending order.
True
False
32
We have 4 types of measures of variability, EXCEPT
Range
Standard Deviation
None of the above
Average Deviation
33
In Standard Deviation and Variance, there are five steps, EXCEPT?
Find the mean of the squared deviations.
Square each deviation.
Find the deviation of each scores form the mean.
None of the above
34
The
>Cf
of a class is found by adding the frequency of the class and the frequencies of lower classes
True
False
35
Measures of Variability is
the spread of the values in the data set.
True
False
36
If the class is 50-100, what is the class mark?
55
70
65
75
37
9, 7, 8, 9, 7, 4, 6, 5, 5, 7. The mode is?
5
7
none of the above
9
38
In the class 25-27, the lower boundary
(LB)
is?
24.5
25.5
26.5
27.5
39
Kelan tayo nag Orientation Via google meet?
March 16, 2022
March 17, 2022
March 15, 2022
March 14, 2022
40
The mean is not the most useful, and the most widely used measure of central tendency.
True
False
41
A set of data is
_________
if it contains only one mode.
bimodal
unimodal
trimodal
mode
42
The
_____
is the value with the most number of frequency.
mode
unimodal
bimodal
trimodal
43
1, 2, 3, 4, 5, 6,7 , what is the median?
4
5
3.5
4.5
44
There are three common measures of central tendency, EXCEPT.
mode
median
modal
mean
45
∑▒fx is
sum
of all the
frequency
and
class mark?
True
False
46
3, 6, 5, 4, 9, 4. what is the range?
6
7
12
8
47
(-6)
2
12
-12
-36
36
48
̄x
mode
mean
median
49
The three common measures of central tendency are the
mean, median,
and
mode.
True
False
50
In Standard Deviation and Variance, what is step 1?
Compute the mean score
Find the deviation of each scores form the mean.
Find the mean of the squared deviations.
Square each deviation.
