subject
Mathematics, 19.05.2021 18:00 elizabethburkha

A researcher studied the effects that increased caffeine use had on students test scores. The correlation coefficient between the amount of caffeine, c, and test scores,
s, is 0.29.
Which could be concluded based on the correlation coefficient of the data?


A researcher studied the effects that increased caffeine use had on students test

scores. The cor

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:50
Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7
Answers: 2
question
Mathematics, 21.06.2019 17:30
Write the following as a base and exponent
Answers: 2
question
Mathematics, 21.06.2019 20:30
Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.
Answers: 1
question
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
You know the right answer?
A researcher studied the effects that increased caffeine use had on students test scores. The corre...
Questions
question
Physics, 26.08.2019 15:00
question
Mathematics, 26.08.2019 15:00
question
Mathematics, 26.08.2019 15:00
Questions on the website: 13722360