Statistics—At a Glance…

*j

&OHDU￿VWDWLVWLFDO￿UHJLVWHUV￿

QXPEHU￿A

(QWHU￿RQH￿YDULDEOH￿VWDWLVWLFDO￿GDWD￿

QXPEHU￿*@

'HOHWH￿RQH￿YDULDEOH￿VWDWLVWLFDO￿GDWD￿

QXPEHU￿￿0 QXPEHUA￿￿

(QWHU￿WZR￿YDULDEOH￿VWDWLVWLFDO￿GDWD￿

QXPEHU￿￿0 QXPEHU*@￿￿

'HOHWH￿WZR￿YDULDEOH￿VWDWLVWLFDO￿GDWD￿

*$*i

0HDQV￿RI￿[￿DQG￿\￿

*E

0HDQ￿RI￿[￿ZHLJKWHG￿E\￿\￿

*:*i

6DPSOH￿VWDQGDUG￿GHYLDWLRQV￿RI￿[￿DQG￿\￿

*M*i

3RSXODWLRQ￿VWDQGDUG￿GHYLDWLRQV￿RI￿[￿DQG￿\￿

\￿YDOXH￿*3*i

(VWLPDWH￿RI￿[￿DQG￿FRUUHODWLRQ￿FRHIILFLHQW￿

[￿YDOXH￿*4

(VWLPDWH￿RI￿\￿

￿*4*i

\￿LQWHUFHSW￿DQG￿VORSH￿

8VLQJ￿WKH￿IROORZLQJ￿GDWD￿￿ILQG￿WKH￿PHDQV￿RI￿[￿DQG￿\￿￿WKH￿VDPSOH￿VWDQGDUG￿ GHYLDWLRQV￿RI￿[￿DQG￿\￿￿DQG￿WKH￿\￿LQWHUFHSW￿DQG￿WKH￿VORSH￿RI￿WKH￿OLQHDU￿ UHJUHVVLRQ￿IRUHFDVW￿OLQH￿￿7KHQ￿￿XVH￿VXPPDWLRQ￿VWDWLVWLFV￿WR￿ILQG￿Q￿DQG￿Σ[\￿

x-data

2

4

6

 

 

 

 

y-data

50

90

160

 

 

 

 

At a Glance... 19