Concept explainers
(a)
To describe: the student represented by the high-lighted point
(a)
Answer to Problem 7E
Here,
Explanation of Solution
Given:
The highlighted point corresponds to students who received/ send 200 text messages which is at the
This shows that the highlighted point shows the
(b)
To estimate:the median number of texts.
(b)
Answer to Problem 7E
The median of the text messages sent is 115
Explanation of Solution
Given:
Calculation:
The median has the property that 50% of all data values are smaller than the median and thus the median is the same as the
Locate 50 on the vertical axis and determine the corresponding value on the horizontal axis.
Hence, the median of the text messages sent is 115
Conclusion:
Hence, the median of the text messages sent is 115
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
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