The amounts of electricity bills for all households in a particular city have an approximately normal distribution with a mean of $130 and a standard deviation of $25. Let ī be the mean amount of electricity bills for a random sample of 26 households selected from this city. Find the mean and standard deviation of Round your answers to the nearest integer, if required. Hã = $ i Oz = $ i Comment on the shape of the sampling distribution of T. The sampling distribution of is Save for Later

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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.