Sinless60951
21.10.2020 •
Mathematics
For each year of his 9-year career, Brent recorded the
fastest time he ran the 400-meter sprint, as shown in the
stemplot.
400-meter Times
What is the mean and how can it be interpreted?
The mean is u = 52.4. Over the last 9 years, Brent's
average time was 52.4 seconds.
The mean is u = 52. Over the last 9 years, Brent's
average time was 52 seconds.
The mean is 7 = 52.4. Over the last 9 years, Brent's
average time was 52.4 seconds.
The mean is = 52. Over the last 9 years, Brent's
average time was 52 seconds.
4
7 9
5 0 1 2 2 4 6
CO
1
Key: 5|4 = 54 seconds
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Ответ:
Step-by-step explanation:
1. 21/100
2. 9/100
3. 49/100
hope this helps