Data (3) Flashcards
1
Q
A smaller SD
A
Means data is more consistent
2
Q
Means data is more consistent
A
A smaller SD
3
Q
What is the sample standard deviation?
A
Sx
4
Q
Sx
A
What is the sample standard deviation?
5
Q
Another formula for standard deviation
A
¬(((Σx^2)/n) - x̄^2)
6
Q
¬(((Σx^2)/n) - x̄^2)
A
Another formula for standard deviation
7
Q
The mean in linear coding?
A
Is affected by the multiplication/division and addition/subtraction
8
Q
Is affected by the multiplication/division and addition/subtraction
A
The mean in linear coding?
9
Q
SD in linear coding?
A
Is affected by multiplication/division
10
Q
Is affected by multiplication/division
A
SD in linear coding?
11
Q
Range of values using SD?
A
[x̄ - 2σx, x̄ + 2σx]
12
Q
[x̄ - 2σx, x̄ + 2σx]
A
Range of values using SD?