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Chapter 2: Q. 56 (page 134)
Describe the relationship between the mode and the median of this distribution.
The mode isand is less than the median, which is
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The University of California has two criteria used to set admission standards for freshmen to be admitted to a college in the UC system:
a. Students' GPAs and scores on standardized tests (SATs and ACTs) are entered into a formula that calculates an "admissions index" score. The admissions index score is used to set eligibility standards intended to meet the goal of admitting the top of high school students in the state. In this context, what percentile does the top represent?
b. Students whoseGPAs are at or above the 96th percentile of all students at their high school are eligible (called eligible in the local context), even if they are not in the top of all students in the state. What percentage of students from each high school are "eligible in the local context"?
Park city is broken down into six voting districts. The table shows the percent of the total registered voter
population that lives in each district as well as the percent total of the entire population that lives in each district. Construct a bar graph that shows the registered voter population by district.
The following table is a portion of a data set from www.worldbank.org. Use the table to construct a time series graph for CO2 emissions for the United States.
In a survey of 20-year-olds in China, Germany, and the United States, people were asked the number of foreign countries they had visited in their lifetime. The following box plots display the results.
a. In complete sentences, describe what the shape of each box plot implies about the distribution of the data collected.
b. Have more Americans or more Germans surveyed been to over eight foreign countries?
c. Compare the three box plots. What do they imply about the foreign travel of 20-year-old residents of the three countries when compared to each other
On a baseball team, the ages of each of the players are as follows:
Use your calculator or computer to find the mean and standard deviation. Then find the value that is two standard deviations above the mean.
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