Orange Tree Example

Farmer has over 1000 trees, counted number of oranges on 61 trees.

n=61.

Frequency distribution (histogram) = graphical depiction showing how sample scores/values are distributed (i.e. how often they occur):

entire range of scores divided into "bins" of equal size.
count the number of observations grouped into each bin.
plot, with bin values on x-axis and number of observations (frequency) on y-axis.

Range from 60 oranges to 140 oranges.

Make bin size 5 for example. First bin = 60-64, 2nd = 65-69, etc.

Properties of Frequency Distribution

Skew

Kurtosis

	Creado por beccat134 hace casi 12 años

Degree (Statistics) Psychology Apunte sobre Statistics Notes, creado por beccat134 el 17/11/2014.