Post on 28-Dec-2015
Weak positive correlation
Weak negative correlation
Strong positive correlation
Strong negative correlation
Q. Describe the correlation
Describe the relationship
Weak positive correlation
No correlation
Strong negative correlation
Strong positive correlation
Q. Describe the correlation
Describe the relationship
Strong negative correlation
Weak positive correlation
No correlation
Weak positive correlation
Q. Describe the correlation
Strong negative correlatioin
Strong positive correlationn
No correlation
Weak positive correlation
Q. Describe the correlation
Q. What is the modal group?
10's
20's
30's
40's
Q. What is the median?
42.5
41.5
42
32
Q. What is the range?
50
-50
19
69
Q. How many times were between 105s and 110s?
3
6
2
30
Q. How many people are between 1.4m and 1.5m?
30
3
10
1
Q. How many people are between 1.2m and 1.4m?
20
10
2
5
Q. How many people are between 1.6m and 1.7m?
55
5
60
55
Q. What is the median?
60
35
50
75
Q. What is the range?
45
25
10
15
Q. What is the IQ range?
30
50
25
15
Q. Describe the distribution.
Symmetrical
Positive skew
Negative skew
No skew
Q. Describe the distribution.
Symmetrical
Positive skew
Negative skew
No skew
Q. Describe the distribution.
Symmetrical
Positive skew
Negative skew
No skew
Q. Describe the distribution.
Symmetrical
Positive skew
Negative skew
No skew
Q. What is the probability of picking two
reds?
0.8
0.16
0.4
0.6
Q. What is the probability of picking a red and green?
0.24
1
0.48
0.36
Q. What is the probability of NOT picking two greens?
0.36
0.24
0.16
0.64
Q. Are these trials independent?
Yes
No
0.16
0.64
Q. How many students scored less than 80 marks?
80
40
10
110
Q. How many students scored more than 30 marks?
20
100
80
30
Q. Approximately, what is the median
mark?
45
50
60
90
Q. Approximately, what is the IQ range?
50
35
22.5
120