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The Following data is the sodium content per serving (in Milligrams) of random boxes of cereal

115 87 185 270 153 230 103 215 98 45 230 178

Construct an 90% confidence interval for the population mean of sodium in all cereal, . Round to tenths and put a sentence answer. Give calculator command used.

b) give sample mean and standard deviation rounded to tenths and labeled

c) Find the margin of error rounded to tenths and labeled