Confidencesignificancelimtis

Starter. Calculate the standard deviation for the following data set.

Monthly average Temperatures. 8 12 12 11 20 10 25 9 28 8 20 7 16 6 15 5 10 4 6 3 5 2 5 1 Temperature in degrees C Month

[object Object],[object Object],[object Object],[object Object],[object Object],Method.

Answer. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Confidence Limits. ,[object Object],[object Object],[object Object]

Calculating Confidence limits. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sample Error of the Mean ,[object Object],[object Object],[object Object]

Statements.. ,[object Object],[object Object],[object Object]

Percentage probability. ,[object Object],[object Object],[object Object]

Over to you. ,[object Object],[object Object],[object Object],[object Object]

Standard deviation Mean length Random sample 10 26 100 10 82 100 10 66 100 10 42 100

Answers ,[object Object],[object Object],[object Object],[object Object]

Tests of significance. ,[object Object]

Why do we have to do this? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example. ,[object Object],[object Object],[object Object],[object Object],[object Object]

Tests of significance. ,[object Object],[object Object]

[object Object],[object Object]

Good Geography. ,[object Object],[object Object],[object Object]

Homework ,[object Object],[object Object],[object Object],[object Object],[object Object]

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