Answer:
It legally forced them out of power and ended apartheid.
Explanation:
The main effect did the election of Nelson Mandela have on the Afrikaners was the end of apartheid legally from the country. Apartheid was a political and social system present in South Africa when National Party gained power in South Africa in 1948 and there was a White minority rule. It allowed racial discrimination against non-Whites. This system ended when the Nelson Mandela comes into power by winning election in 1990.
Scientists estimate that 2-11 degrees F temperature will retain to rise with the aid of how lots inside the subsequent a hundred years except measures are taken to save you it.
NASA has stated that the average temperature of the earth is 15°C. but, excessive temperatures are nonetheless possible in the world. The freshest temperature ever recorded on the earth became measured to be 70.7°C within the Lut desolate tract of Iran in 2005, and the coldest temperature become -89.2°C in Vostok, Antarctica.
Consistent with NCEI's global Annual Temperature Outlook, there is a more than ninety-nine% chance that 2022 will rank a number of the 10-warmest years on record, however handiest an eleven% chance that it's going to rank a few of the top five warmest.
The warmest seven years have all been given that 2015; the top 3 being 2016, 2019, and 2020. a very strong El Niño occasion happened in 2016, which contributed to reporting of worldwide average warming.
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Answer:
1. Co-variance= -1.2
2. correlation coefficient= -0.4404
3. There is weak negative relationship between x and y.
Explanation:
1.
Co-variance= Cov(x,y)= sum[(x-xbar)(y-ybar)]/n
xbar=sumx/n=32/5=6.4
ybar=sumy/n=35/5=7
x 7 8 5 3 9
x-xbar 0.6 1.6 -1.4 -3.4 2.6
y 7 5 9 7 7
y-ybar 0 -2 2 0 0
(x-xbar)(y-ybar) 0 -3.2 -2.8 0 0
Cov(x,y)= sum[(x-xbar)(y-ybar)]/n=-6/5=-1.2
Cov(x,y)=-1.2
2.
correlation coefficient=r
x 7 8 5 3 9
x-xbar 0.6 1.6 -1.4 -3.4 2.6
y 7 5 9 7 7
y-ybar 0 -2 2 0 0
(x-xbar)(y-ybar) 0 -3.2 -2.8 0 0
(x-xbar)² 0.36 2.56 1.96 11.56 6.76
(y-ybar)² 0 4 4 0 0
r=-0.4404
3. Since the value of correlation coefficient is negative and less than 0.5 , so, we can say that there is weak negative relationship between x and y.
