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The Himalaya by the Numbers: A Statistical Analysis - Himalayan ...

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60.0<br />

50.0<br />

40.0<br />

30.0<br />

20.0<br />

10.0<br />

0.0<br />

13.8<br />

9.9<br />

ANN1<br />

(121/<br />

1037)<br />

11.7<br />

18.5<br />

14.4<br />

MAKA<br />

(208/<br />

1273)<br />

16.3<br />

Member Ascent Rates for Popular Peaks (1950-2006)<br />

(Adjusted Wald 95% Confidence Intervals)<br />

Chart A-3: Member ascent rates for popular peaks from 1950-2006<br />

with more than 700 members above base camp<br />

Members<br />

Above BC<br />

25.8<br />

20.3<br />

21.2<br />

22.2<br />

21.3<br />

23.3<br />

22.4<br />

21.5<br />

22.7<br />

18.1<br />

19.1 20.4<br />

20.0<br />

17.2<br />

16.1<br />

MANA<br />

(228/<br />

1259)<br />

DHA1<br />

(294/<br />

1538)<br />

All<br />

7000ers<br />

(1746/<br />

8197)<br />

EVER<br />

(1773/<br />

7928)<br />

KANG<br />

(183/<br />

805)<br />

Ascent<br />

Count<br />

Failure<br />

Count<br />

Ascent<br />

Rate<br />

95% Confidence<br />

Interval<br />

Yates'<br />

Chi Square<br />

Lower Upper p-value<br />

Annapurna I 1037 121 916 11.7 9.9 13.8

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