The type of food favoured by deer is shown in the following table. The data were collected by an ecologist using binoculars and observation were carried out on a random sample of 320 deer. Type of food Plant composition in study area Observed number of deer feeding on this plant Sage 32% 102 Rabbit brush 38.7% 125 Salt brush 12% 43 Berry 9.3% 27 Other 8% 23 Use a 5% level of significance to test the claim that the natural distribution of browse fits the deer feeding pattern.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.