solved: The weights (in pounds) of 20 adult US college students are listed…

  

The weights (in pounds) of 20 adult US college students are listed…The weights (in pounds) of 20 adult US college students are listed below.  202 172 185 190 169 245 169 195 240 174 211 198 205 192 233 260 188 158 171 228 Construct an 90% confidence interval for the mean.Hint: you must calculate the mean and standard deviation first and decide of you need to us the z-distribution or the t-distributionPlease answer correctly and I will rate you. Thanks  MathStatistics and Probability

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