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Chapter 2: Q. 54 (page 134)
What word describes a distribution that has two modes?
Bimodal describes a distribution that has two modes.
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Two students, John and Ali, from different high schools, wanted to find out who had the highest GPA when compared to his school. Which student had the highest GPA when compared to his school?
On a point written assignment, the percentile for the number of points earned was . Interpret the percentile in the context of this situation.
Construct a frequency polygon for the following:
a.
b.
c.
Given the following box plots, answer the questions.
a. In complete sentences, explain why each statement is false.
i. Data 1 has more data values above two than Data 2 has above two.
ii. The data sets cannot have the same mode.
iii. For Data 1, there are more data values below four than there are above four.
b. For which group, Data 1 or Data 2, is the value of “7” more likely to be an outlier? Explain why in complete sentences.
Use the following information to answer the next two exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.
Construct a box plot below. Use a ruler to measure and scale accurately
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