Mean of the sample mean
A population has mean 20. A simple random sample of size 100 is selected from this population. What is the mean of the sample mean?
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Radiation from sun is absorbed at the plate surface at the constant rate of 300 W/m2. What will be the average surface temperature of the plate?
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A student used a DCP solution (standardized to 9.94x10-4M) to analyze a sample of extract from 3.50g of solid food. The titration required 22.49mL of DCP.
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A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks.
A simple random sample of size 100 is taken from a population. The population variance in unknown. The distribution of the standardised sample mean is a t-distribution. What are the degrees of freedom for this t-distribution?
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