. |65 |80
4. |96 |80
5. |59 |62
6. |75 |65
7. |90 |75
8. |86 |90
9. |52 |63
10. |70 |55
11. |63 |54
12. |85 |95
13. |93 |90
14. |87 |70
15. |82 |68
16. |79 |75
17. |78 |86
18. |79 |75
19. |82 |60
20. |70 |82
21. |52 |86
22. |94 |85
23. |72 |73
24. |53 |62
25. |94 |85

5. Compare the abilities of the 10-year-old pupils in the sixth grade
with the abilities of the 14-year-old pupils in the same grade, in so
far as these abilities are measured by the completion of incomplete
sentences.

(Note: 5 = 5.0-5.999.)

==================================================
NO. SENTENCES | |
COMPLETED | 10-YEAR-OLDS | 14-YEAR-OLDS
--------------+--------------+--------------------
24 |-- |--
23 |-- |--
22 |-- |--
21 |1 |--
20 |-- |--
19 |-- |--
18 |-- |--
17 |-- |1
16 |3 |--
15 |-- |2
14 |7 |4
13 |10 |3
12 |18 |7
11 |9 |10
10 |7 |9
9 |8 |10
8 |2 |10
7 |3 |10
6 |-- |2
5 |2 |3
4 |-- |2
3 |-- |--
2 |-- |1
1 |-- |--
0 |-- |--
===========================================

6. From the scores given here, calculate the relationship between
ability to spell and ability to multiply. Use the average as the central
tendency.

==============================
PUPIL|SPELLING|MULTIPLICATION
-----+--------+---------------
A |9 |22
B |10 |16
C |2 |19
D |6 |14
E |13 |24
F |8 |22
G |10 |17
H |7 |20
I |3 |21
J |2 |21
K |14 |