Table : Table 2.1 Hypothetical Data Showing Relationship Between Sleep and Memory

Participant

Hours of Sleep

No. of Presidents Named

A

0  

11

B

0  

17

C

2.7

16

D

3.1

21

E

4.4

17

F

5.5

16

G

7.6

31

H

7.9

41

I

9  

40

J

9.1

35

K

9.6

38

L

9  

43