subject
Mathematics, 29.03.2021 04:50 angie249

Will give 100 points; In the U. S., from 2004-2015, the correlation coefficient for the relationship between the size of a cell phone data plan, x, and the number of text messages sent, y, is r =0.97. Describe what this means about the relationship between the data plan size and the number of text messages sent in the U. S.

Answer options:
- There is no correlation between the size of the data plan and the number of text messages in the US.
- There is a weak positive linear correlation between the size of a cell phone data plan and the number of text messages sent.
- There is a strong negative linear correlation between the size of a cell phone data plan and the number of text messages sent.
- There is a strong positive linear correlation between the size of a cell phone data plan and the number of text messages sent.

I'd appreciate if you included an explanation, but an answer is fine.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
2.5 milligrams is equivalent to how many grams
Answers: 2
question
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
question
Mathematics, 22.06.2019 04:30
Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?
Answers: 1
question
Mathematics, 22.06.2019 06:10
The function with the lowest output values as x approaches infinity is . the function with the greatest output values as x approaches infinity is .
Answers: 2
You know the right answer?
Will give 100 points; In the U. S., from 2004-2015, the correlation coefficient for the relationshi...
Questions
question
Mathematics, 19.03.2020 00:59
Questions on the website: 13722363