Question

Determine the number of standard deviations which include all data values listed for the situation.


The mean height of a tree in an orchard is 11.8 feet; the standard deviation is 1.43 feet.


12.5 ft, 9.8 ft, 13.5 ft, 11.2 ft, 12.3 ft, 14.2 ft, 11.7 ft, 9.8 ft, 12.6 ft, 10.4 ft

4 standard deviations

1 standard deviation

3 standard deviations

2 standard deviations
@michele_laino

Answer 1

@radar

Answer 2

@jabez177

Answer 3

@Michele_Laino

Answer 4

hint:
max value is \(14.2\), so the requested number is:
\[\huge \frac{{14.2 - 11.8}}{{1.43}} = ...?\]