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1. Consumer Report randomly tested 14 brands of vanilla yogurt and found the following number of calories per serving: 160 200 220 230 120 180
1. Consumer Report randomly tested 14 brands of vanilla yogurt and found the following number of calories per serving: 160 200 220 230 120 180 140 130 170 190 80 120 110 170 We find a summary of the data using R: > X=c(160, 200, 220, 230, 120, 180, 140, 130, 170, 190, 80, 120, 110, 170) > summary (x) Min. 1st Qu. Median Mean 3rd Qu. Max . 80.0 122.5 165.0 158.6 187.5 230.0 > sd(x) [1] 43.82784 a. Draw a box plot. Include outliers in the box plot if there are any. Does the distribution look symmetric or skewed? If skewed, is it skewed right or skewed left? b. If we are interested in the average calories of all brands of yogurt, what is a reasonable point estimate for that average, using the sample in the table
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