MATHEMATICS HIGH SCHOOL

Use the stem-and-leaf plot below to find the mean, median, and mode of the data set. Round to the nearest wholenumber
Stem Leaf
5 2, 2, 2.
8. 1,5,9
9. 3,4,6
1. 2,7

Answers

Answer 1
Answer:

Answer:

The mean is 65.72 , median  is 81 and mode is 52  

Step-by-step explanation:

Stem         Leaf

5                2, 2, 2.

8.                1,5,9

9.                3,4,6

1.                 2,7

Number : 52,52,52,81,85,89,93,94,96,12,17

Arrange in ascending order :

12,17,52,52,52,81,85,89,93,94,96

Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\nMean =(12+17+52+52+52+81+85+89+93+94+96)/(11)

Mean =65.72

Median = (n+1)/(2) \text{th term}=(11+1)/(2)=6 \text{th term} = 81

Mode = most occurring number = 52

Hence The mean is 65.72 , median  is 81 and mode is 52  

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is a possible answer 

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The mean sustained wind velocity, v, can be determined by the equation v = 6.3 StartRoot 1013 minus p EndRoot, where p is the air pressure, in millibars, at the center of the hurricane. What is the approximate air pressure at the center of a hurricane when the mean sustained wind velocity is 64 meters per second?

Answers

Answer:

909.8 millibars.

Step-by-step explanation:

The mean sustained velocity, v be determined by the equation:

v=6.3√(1013-p), where p is the air pressure, in millibars, at the center of the hurricane.

Given that: v=64 meters per second, we are to find the value of p.

64=6.3√(1013-p)\n$Square both sides to eliminate the square root sign\n(64)^2=(6.3√(1013-p))^2\n4096=39.69(1013-p)\n$Divide both sides by 39.69$\n(4096)/(39.69)=1013-p\n $Therefore:$\np=1013-(4096)/(39.69)\n\np=909.8$ millibars

The approximate air pressure at the center of a hurricane when the mean sustained wind velocity is 64 meters per second is 909.8 millibars.

Answer:

D

Step-by-step explanation:

2/3 of 500,000 dollars is what amount exactly ?

Answers

the answer to your question is 333.333 dollars

Work this out i need to get the answer

Answers

Answer:

240 people.

Step-by-step explanation:

When the train arrived in London there were 318 people.

If 134 of those people didn't get on the train until Slough they need to be subtracted from that number. 318-134=184.

At Slough there were also 56 people who didn't go all they way to London and got off the train, these people need to be added. 184+56=240.

So we now know that 240 people were on the train when it left Oxford.

Hope this helps! :)
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