subject
Mathematics, 12.02.2021 07:50 Jasten

In a study of the relationship for senior citizens between physical activity and frequency of colds, participants were asked to monitor their weekly time spent in exercise over a five-year period and the frequency of colds. the study demonstrated that a negative statistical relation exists between time spent in exercise and frequency of colds. The investigator concluded that increasing time spent in exercise is an efficient strategy for reducing the frequency of colds for senior citizens. Were the data collected in the study observational or experimental data

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Anyone know? will mark brainliest if correct
Answers: 1
question
Mathematics, 21.06.2019 19:10
1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks
Answers: 2
question
Mathematics, 21.06.2019 21:10
Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)
Answers: 1
question
Mathematics, 21.06.2019 22:00
The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²
Answers: 2
You know the right answer?
In a study of the relationship for senior citizens between physical activity and frequency of colds,...
Questions
question
Mathematics, 12.02.2021 03:30
question
History, 12.02.2021 03:30
question
Mathematics, 12.02.2021 03:30
question
Spanish, 12.02.2021 03:30
Questions on the website: 13722361