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the random sample shown below was selected from a normal...

Question: the random sample shown below was selected from a normal...

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The random sample shown below was selected from a normal distribution 7, 10, 6,7,4,2e Complete parts a and b. a. Construct a 9956 confidence interval for the population mean μ (Round to two decimal places as needed) b. Assume tat sample mean x and sample standard devation s rerna n exactly the sa ne as those you hst calculated but that are based on a sample on-25 observations Repe at part a What is the effect of increasing the sample size on the width of the confidence intervals? The confidence interval is What is the effect of the sample size on the width of the confidence interval7 □□ (Round to two decimal places as needed)

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