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all internet mail-order company keeps track of the number of orders it fills per day for many years and rmines that the distribution of the

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all internet mail-order company keeps track of the number of orders it fills per day for many years and rmines that the distribution of the variable "orders filled per day" is right-skewed and has the following number summary: Minimum = 20 Q1 = 32 Median = 46 Q3 = 63 Maximum = 80 pose we take random samples of size 40 from this distribution and calculate the range for each of our les. Below is a dotplot of the range of 50 such samples. -............. -.. . ........ -...... -.... -.. .. $3 56 $7 59 60 Sample range There are two dots on the graph at 53. Explain what these values represent. Does the simulation provide evidence that the sample range is a biased estimator of the population ange? Use the dotplot above to justify your answer. ocery store manager claims that 75% of shoppers purchase bananas as least once a month. Technology used to simulate choosing 150 SRSs of size n = 100 from a population of shoppers where 75% buy nas. The dotplot shows p = the sample proportion of shoppers who bought bananas in the past month ndom sample of 100 shoppers from the store were selected and 64 bought bananas in the past month. this sample provide evidence that the grocery store manager overstated the true proportion? Justify answer. . . . 0.65 0.75 0.8 0.85 p= simulated sample proportion of shoppers that bought bananas

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