Chapter 2: Q. 50 (page 134)
Use the following information to answer the next three exercises: State whether the data are symmetrical, skewed to the left, or skewed to the right.
Short Answer
The data is skewed to the right.
Chapter 2: Q. 50 (page 134)
Use the following information to answer the next three exercises: State whether the data are symmetrical, skewed to the left, or skewed to the right.
The data is skewed to the right.
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Test Scores for Class A
Test Scores for Class B
Santa Clara County, CA, has approximately Japanese-Americans. Their ages are as follows:
a. Construct a histogram of the Japanese-American community in Santa Clara County, CA. The bars will not be the
same width for this example. Why not? What impact does this have on the reliability of the graph?
b. What percentage of the community is under age ?
c. Which box plot most resembles the information above?
Use the following information to answer the next six 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.
First quartile = _______
Use the data from the David County science competition supplied in Exercise . Construct a bar graph that shows the county-wide population percentage of students at each school.
Forty bus drivers were asked how many hours they spend each day running their routes (rounded to the nearest hour). Find the percentile.
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