Dataset summary

Dataset summary
1

Table of contents
INTRODUCTION...........................................................................................................................3
REFERENCES..............................................................................................................................10
2

INTRODUCTION
Question 1
1 1
Mean
1.46464
6 Mean
1.46464
6
Standard Error
0.05038
1 Standard Error
0.05038
1
Median 1 Median 1
Mode 1 Mode 1
Standard Deviation
0.50128
7 Standard Deviation
0.50128
7
Sample Variance
0.25128
8 Sample Variance
0.25128
8
Kurtosis -2.02051 Kurtosis -2.02051
Skewness
0.14395
9 Skewness
0.14395
9
Range 1 Range 1
Minimum 1 Minimum 1
Maximum 2 Maximum 2
Sum 145 Sum 145
Count 99 Count 99
Confidence
Level(95.0%) 0.09998
Confidence
Level(95.0%) 0.09998
b) it can be identified from p value that the there is no relationship between variables. This is
because it can be clearly seen that there is no relation between version and buy by students.
c) the correlation coefficient r is 0.0010 that shows there is no relation between mean of both X1
and X2.
Question 2
1 1035
3

Mean
1.44444
4 Mean
943.313
1
Standard Error
0.05019
5 Standard Error
10.6515
5
Median 1 Median 947
Mode 1 Mode 937
Standard Deviation
0.49943
3 Standard Deviation
105.981
6
Sample Variance
0.24943
3 Sample Variance
11232.0
9
Kurtosis -1.98905 Kurtosis
0.20936
2
Skewness
0.22706
2 Skewness -0.31992
Range 1 Range 512
Minimum 1 Minimum 665
Maximum 2 Maximum 1177
Sum 143 Sum 93388
Count 99 Count 99
Confidence
Level(95.0%) 0.09961
Confidence
Level(95.0%)
21.1376
5
b) it can be identified from p value that the there is no relationship between variables. This is
because it can be clearly seen that there is no relation between version and how much is spend by
students.
c) the correlation coefficient r is 6.275 that shows there is no relation between mean of both X1
and X2.
Question 3
a)
2 1096
Mean -69.7879 Mean
1072.18
2
Standard Error
16.6535
2 Standard Error
13.6233
1
4