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Title: Statistics sample problem
Description: Sample problem for Statistics with solutions for Gr. 10
Description: Sample problem for Statistics with solutions for Gr. 10
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Group 2
SSC III-4
Tiffany Bustillos
Venisse Ann J
...
He gave a logical thinking to test 8 students who just enter the program, the 4
years later he gave the same students the logical thinking test again
...
The number of errors made by each student is
shown below
...
Student
Year 1
Year 4
D
D2
1
10
5
5
25
∑D
∑D²
2
15
2
13
169
3
6
7
-1
1
4
11
4
7
49
5
7
0
7
49
6
13
10
3
9
7
8
2
6
36
8
12
4
8
64
48
402
1) Ho: There is no significant difference in the number of errors made by student in Year 1 and
Year 4
...
µ1 ≠ µ2
2) N=8, Degrees of Freedom N-1=7
3) Two-tailed test= 3
...
21
Group 2
SSC III-4
5) Reject Ho, since the absolute computed value of 4
...
499
...
Group 2
SSC III-4
Tiffany Bustillos
Venisse Ann J
...
A pilot study was conducted to examine this
hypothesis
...
Scores on the
measure range from 0-60 with satisfaction
...
Older Adults
45
38
52
48
25
39
51
46
55
46
Younger
Adults
X1
34
22
15
27
37
41
24
19
26
36
2025
1444
2704
2304
625
1521
2601
2116
3025
2116
X2
1156
484
225
729
1369
1681
576
361
676
1296
∑X1
∑X2
∑X12
∑X22
445
281
20481
8553
1) Ho: There is no significant difference between the perceived life satisfaction of older adults
and younger adults
...
µ1 ≠ µ2
2) N1= 10; N2= 10, Degrees of Freedom= (N1-1) + (N2-1)= 18
3) Two-tailed test= 2
...
39
S22=
=
= 72
...
26
5) Reject Ho, since the absolute computed value of 4
...
101
...
Title: Statistics sample problem
Description: Sample problem for Statistics with solutions for Gr. 10
Description: Sample problem for Statistics with solutions for Gr. 10