John has taken six quizzes in his statistics class. His scores on these quizzes are listed. 71 , 75 , 76 , 80 , 85 , 87 He finds that the mean is 79 point 0 and the median is 78 point 0 for these six quiz scores. If John earns a 100 percent on the next exam, what will the new mean and median be?
In some gymnastics meets, the score given to a gymnast is the mean of the judges’ scores after the highest and lowest scores have been tossed out. Nikita’s scores on the floor routine from all of the judges are shown. 7 point 5 0 , 7 point 5 0 , 7 point 7 5 , 7 point 7 5 , 8 point 0 0 , 8 point 0 0 , 8 point 0 0 , 10 point 0 0 How does Nikita’s mean score before removing the highest and lowest scores compare to her mean score after the highest and lowest scores are removed?
In some gymnastics meets, the score given to a gymnast is the mean of the judges’ scores after the highest and lowest scores have been tossed out. Nikita’s scores on the floor routine from all of the judges are: 7 point 5 0 , 7 point 5 0 , 7 point 7 5 , 7 point 7 5 , 8 point 0 0 , 8 point 0 0 , 8 point 0 0 , 10 point 0 0 How does removing the highest and lowest scores affect the median of the scores?
A simple random sample of 10 people was asked how many first cousins they have. The results are listed. 10 , 19 , 20 , 13 , 13 , 2 , 10 , 8 , 25 , 10 What is the median number of first cousins for this sample?
The distribution of ages of runners in a marathon is approximately normal. The oldest participant was 80 and the youngest was 13. Which of the following statements is true of the mean and median ages of the runners?
The fuel economies in miles per gallon (mpg) for nine vehicles are listed. 16, 18, 20, 24, 24, 24, 24, 31, 32 If one more vehicle is added to the list with a rate of 40 mpg, how will this affect the mean and median?
In which interval is the median located?
What is the mean height, in inches, of this sample?
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