17. For the scores 10, 15, 12, 9, 10, 8, 11, 9, 13, 14, 7, 9, the answer of 9 will be the:
A. Mode B. Mean C. Median
A. Mode
To find out whether 9 is the mode, mean, or median of the given scores, we can start by organizing the data in ascending order:
7, 8, 9, 9, 9, 10, 10, 11, 12, 13, 14, 15
Now let's analyze each option:
A. Mode: The mode is the value that appears most frequently in the data set. In this case, the number 9 appears three times, more than any other number. Therefore, the answer is A. 9 is the mode.
B. Mean: The mean is calculated by adding up all the values and dividing by the total number of values. In this case, the sum of the scores is 127, and there are 12 scores. Therefore, the mean is 127/12, which is approximately 10.58. So, the answer is not B.
C. Median: The median is the middle value of the data set when it is arranged in ascending order. Since the data set has an even number of values, the median is the average of the two middle values. In this case, the middle values are 10 and 10. Therefore, the median is (10 + 10) / 2, which equals 10. So, the answer is not C.
In conclusion, the answer is A. 9 is the mode of the given scores.