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12 Two packaging styles for a new cookie brand were tested in 20 grocery stores for one week. Ten of these stores were randomly chosen to be stocked with packages of style #1, while the other ten were stocked with packages of style #2. Marketing researchers determined that one style would prove to be clearly better than the other if its median number of packages sold exceeded that of the other by at least 10. Based on this reasoning and the sales results shown below, what should the marketing researchers conclude? Numbers of Packages Sold Stores With Packaging style #1 Stores With Packaging Style #2 30 40 50 60 70 80 90 100 A. Packaging style #1 is clearly a better choice than packaging style #2. B. Packaging style #2 is clearly a better choice than packaging style #1. C. C. It is not clear that either of these packaging styles is a better choice than the other
13 Using a table, Angela determined that the area of the shaded section under the normal curve is o.9162. Assuming this is accurate, select each statement about the value of z that is true. A. It exceeds the value of the mean by no more than one standard deviation. B. It exceeds the value of the mean by more than one standard deviation. C. It exceeds the value of the mean by no more than 2 standard deviations D. It exceeds the value of the mean by more than 2 standard deviations. E. It does not exceed the value of the mean.
math   Statistics-And-Probability   
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) fa c Kagina style 쳐 1 ss Clearly a better than pacKin style H 2 Part I- B) Tt ex ceeds the value of the mean more than one Stand ard deviation

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