The five year survival rate for Caucasians for all forms of cancer increased from 39% in the 1960's to 57% now. Express the change in two ways: (1) as an absolute difference in terms of percentage and (2) as a relative difference in terms of percent.
relative percent= (final-original)/original * 100
Memorize that.
absolutre difference= (final-original)
The five-year survival rate for Caucasians for all forms of cancer increased from
3939%
in the 1960s to
6262%
now. Express this change in two ways: (1) as an absolute difference in terms of percentage points and (2) as a relative difference in terms of percent.
To express the change in two different ways, we can calculate the absolute difference and relative difference for the five-year survival rate for Caucasians for all forms of cancer.
1) Absolute Difference:
To calculate the absolute difference in terms of percentage, we need to find the difference between the initial survival rate and the current survival rate.
Initial Survival Rate: 39%
Current Survival Rate: 57%
Absolute Difference = Current Survival Rate - Initial Survival Rate
Absolute Difference = 57% - 39%
Absolute Difference = 18%
Therefore, the absolute difference in terms of percentage is 18%.
2) Relative Difference:
To calculate the relative difference or the percent change in the survival rate, we need to find the change relative to the initial survival rate.
Relative Difference = (Absolute Difference / Initial Survival Rate) * 100
Relative Difference = (18% / 39%) * 100
Relative Difference = 46.15%
Therefore, the relative difference in terms of percent is approximately 46.15%.
To express the change in the five-year survival rate for Caucasians for all forms of cancer, we can calculate both the absolute difference in terms of percentage and the relative difference in terms of percent.
(1) Absolute difference:
To calculate the absolute difference, subtract the initial survival rate from the current survival rate and express it as a percentage.
Initial survival rate: 39%
Current survival rate: 57%
Absolute difference = Current survival rate - Initial survival rate
Absolute difference = 57% - 39%
Absolute difference = 18%
Therefore, the absolute difference in terms of percentage is 18%.
(2) Relative difference:
To calculate the relative difference, divide the absolute difference by the initial survival rate and express it as a percentage.
Relative difference = (Absolute difference / Initial survival rate) * 100%
Relative difference = (18% / 39%) * 100%
Relative difference ≈ 46.15%
Therefore, the relative difference in terms of percent is approximately 46.15%.