Question: The average preferred temperature (in F) for the class is = 71 degrees ( = 7.5). The average preferred temperature for a random sample of

The average preferred temperature (in F) for the class is =

The average preferred temperature (in F) for the class is = 71 degrees ( = 7.5).

The average preferred temperature for a random sample of n= 10 is M = 66 degrees

1. What proportion of samples would have means lower than this sample mean?

a. Find the z-score for our sample mean (Z_M)

b. Is this sample mean considered to be extremeor fairly typical of the population?

Draw a vertical line through the graph corresponding to the Z_Mand determine the section of the graph corresponding to the proportion you need to find.

= 71

71 degrees ( = 7.5).The average preferred temperature for a random sample

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