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Use the frequency table below to answer the question. Frequency Table Interval Frequency 70-74 || 75-79 | 80-84 85-89 | 90-94 |HI 95-99 |
Use the frequency table below to answer the question. Frequency Table Interval Frequency 70-74 || 75-79 | 80-84 85-89 | 90-94 |HI 95-99 | The frequency table shows the test scores for each interval. What effect would dropping the two scores in the 70-74 interval have on the mean and standard deviation? A. both the mean and standard deviation increase B. both the mean and standard deviation decrease C. the mean increases, but the standard deviation decreases D. the mean decreases, but the standard deviation increases
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Statistics For Business & Economics
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
14th Edition
1337901067, 978-1337901062
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