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It is known that the population is not normally distributed. Also, the population standard deviation is not known. A sample of 6 items is selected from this population to develop an interval estimate for the mean of the population (µ). Choose the correct alternative below.- The t distribution with 6 degrees of freedom must be used for constructing the confidence interval.- The t distribution with 5 degrees of freedom must be used for constructing the confidence interval.- The sample size must be increased for constructing the confidence interval.- The standard normal distribution can be used for constructing the confidence interval.
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