Algebra Flashcards
1
Q
quantitative
A
numeric data
2
Q
qualitative / categorical
A
data with no average
3
Q
what is the mean, median, mode, range, IQR, and standard deviation using (2, 9, 2, 3, 0, 5, 8, 3, 7, 10)
A
mean- 4.9
median-4
mode- 2 and 3
range- 10
IQR- 6
SD-3.24
4
Q
what is the mean, median, mode, range, IQR, and standard deviation using (23, 24, 27, 29, 30, 30, 31, 31, 31, 31, 31, 31, 32, 32
A
mean- 29.5
med-31
mode-31
range-9
iqr-2
SD-2.75
min-23
max-32
Q1-29
Q3-31
5
Q
find Lin-reg, correlation coefficient, slope, and predict height of an 8 year old using
L1: 2,3,3,4,4,4,5,5,5,6
L2:30,33,34,37,35,38,40,42,43,42
A
lin-reg - y=3.46x+23.22
corr. coe.- .95 strong, positive corrleation
slop= 3.46 + 3.46
prediction: 50.9
6
Q
A
7
Q
A
8
Q
A
9
Q
A
10
Q
A
11
Q
A
12
Q
A
13
Q
A
14
Q
A
15
Q
A