Can you please help?
1 answer:
Answer:
6.5 km per minute
Step-by-step explanation:
To calculate the average speed, you add the speed of one trip to the speed of the other then divide by 2.
The first trip was a speed of 80km/10 minutes or 8km per 1 minute.
The second trip was a speed of 100km/20 minutes or 5km per 1 minute.
To find the average, add and divide by 2:
km per minute
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Answer: b. Only statement (ii) is correct.
Step-by-step explanation:
The given five-number summary of the ages of passengers on a cruise ship is listed below.
Min 1 20 Median 29
38 Max 80
Inter-quartile range =
- According to the 1.5(IQR) criterion for outliers : An data value is an outlier if it lies below
or above
.
Here ,
Since the minimum value> ( ∵ 1 > -7)
It means there is no value below , so there is no low -outlier.
⇒ Statement (i) "here is at least one passenger whose age is a low outlier. " is false.
But the maximum value > (∵ 85 > 65)
It means there are values above .
⇒Statement (ii) "There is at least one passenger whose age is a high outlier" is true.
Hence, the correct answer is b. Only statement (ii) is correct.