44, 20, 85, 68, 64, 83, 56, 70, 55, 78, 80,65,64,54,53, 85, 68, 50, 57, 61, 51, 94,87, 25, 30, 4. Interquartile range?
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What is the value of y? round to the nearest tenth

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?