A dotplot of the distribution of height for Mrs. Navard’s class is shown, along with some numerical summaries of the data. Suppo
se that Mrs. Navard has the entire class stand on a 6-inch high platform and then asks the students to measure the distance from the top of their heads to the ground.
What are the standard deviation and IQR of the new distribution of distance?
1. SD = 4.29, IQR = 13
2. SD = 10.29, IQR = 13
3. SD = 4.29, IQR = 7
4. SD = 10.29, IQR = 7
5. SD = 7.29, IQR = 10
What are the standard deviation and IQR of the new distribution of distance?
1. SD = 4.29, IQR = 13
2. SD = 10.29, IQR = 13
3. SD = 4.29, IQR = 7
4. SD = 10.29, IQR = 7
5. SD = 7.29, IQR = 10
1 answer:
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Answer:
The time of oil tanker will be 80 sec.
Explanation:
Given that,
He walks at 3 km/hour.
If the container ship is 100 m long, and travelling at 12 km/hour.
The distance will be 200 m.
We need to calculate the relative velocity
Using formula of relative velocity
Put the value into the formula
The distance is 200 m.
We need to calculate the time
Using formula of time
Put the value into the formula
Hence, The time of oil tanker will be 80 sec.