Interquartile range for the daily high temperature, Basic Statistics

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Interquartile range for the daily high temperature

1. The daily high temperature in Chicago for the month of August is approximately normal with mean 78 degrees F, and standard deviation 9 degrees F.

a) What is the interquartile range for the daily high temperature for the month of August?

2. A random variable, X, is normally distributed with mean 35 and standard deviation 10. Find the following probabilities and answer the questions below.

a) What X value is 2.324 standard deviations below the mean?

b) What z-score corresponds to this X value?

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Basic Statistics: Interquartile range for the daily high temperature

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Basic Statistics: Interquartile range for the daily high temperature

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Basic Statistics: Interquartile range for the daily high temperature

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Recent Questions Asked Basic Statistics

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