harry5112
02.07.2019 •
Mathematics
Arianna gathered data about the distance of 20 cities from the equator and the average hours of sunlight per day in december for each city. she found the correlation coefficient between the two values to be -0.91. what type of correlation exists between the hours of sunlight and the distance from the equator in arianna's data? a. strong negative correlation b. weak negative correlation c. strong positive correlation d. weak positive correlation
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Ответ:
A.strong negative correlation
Step-by-step explanation:
A correlation exists when one of two variables changes depending on the other, in this case the distance from the equator and the hours of sun that a city has everyday, a strong correlation means a correlation higher than .7, as the correlation that Arianna found is -0.91, she has found a strong negative correlation.
Ответ: