Question: An article gives the pricean estimated average for a 6-ounce can or a 7.06-ounce pouchfor 14 different brands of water-packed light tuna, based on prices paid nationally in supermarkets.

1.01 1.94 1.25 0.87 0.67 0.55 1.43 1.14 0.65 0.69 0.71 0.62 0.62 0.68 (a) Calculate the five-number summary. Min (b) Construct a box plot for the data. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 O 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 % W lIlIllIlll lIlIllllIl O 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 O 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 Are there any outliers? 0 Yes O No (c) The value X = 1.94 looks large in comparison to the other prices. Use a z-score to decide whether this is an unusually expensive brand of tuna. O The z-score is less than 2, so the brand is unusually expensive. 0 The zscore is greater than 2, so the brand is unusually expensive. 0 The zscore is less than 2, so the price is not unusual. 0 The 7-scnre is areal-er than 2. so the urine is not unusual