Answer:
The group that has greater value of relative dispersion is the smokers group, as the coefficient of variationof their data is bigger than the coefficient of variation of the non-smokers group data.
CV smokers: 0.387
CV non-smokers: 0.234
Step-by-step explanation:
We will calculate the relative dispersion of each data set with its coefficient of variation (ratio of the standard deviation to the arithmetic mean).
Then, first we calculate the mean and standard deviation for the smokers data:
Mean: 43.7
Standard deviation: 286.5
The mean and standard deviation for the non-smokers is:
Mean: 30.3
Standard deviation: 50.9
Now, we can calculate the coefficient of variation:
CV smokers:
CV non-smokers:
Answer:
y-4=0.4(x+2)
Step-by-step explanation:
y-y1=m(x-x1)
Answer:
youre answer should be C
Step-by-step explanation:
hope this is helpful!
Answer:
Step-by-step explanation:
watermelon=w
cantaloupe=c
3w+2c=32 x3 9w+6c=96
4w+3c=44 x2 8w+6c=88
(9w+6c) - (8w+6c) =
96-88=
c=8
canteloupe is 8 pounds
3w+2(8)=32
3w+16=32
3w=16
w=5 1/3 pounds
watermelon is 5 1/3 pounds
2(5 1/3)+8=
10 2/3+8=
18 2/3 pounds
Answer: 21 degrees
Step-by-step explanation:
In the evening, the temperature is 28 degrees and by midnight it has dropped 31 degrees lower, the temperature by midnight will be:
= 28° - 31°
= -3°
Between midnight and 4 am it goes down 6 more degrees. The temperature by 4am will be:
= -3° - 6°
= -9°
Then, by 9 am, the temperature goes up 30 degrees, the temperature at 9 am will then be:
= -9° + 30°
= 21°
