A group of students participated in an experiment to study the association between resting heart rate and exercise heart rate under various exercise conditions. Study participants stepped at a frequency of 14 steps per minute (0), 21 steps per minute (1), and 28 steps per minute (2). To investigate the relationship between resting and exercise heart rate, and to see the effects of step frequency on the relationship, a scatterplot might be created by: using separate symbols for the different step frequencies to see if the relationship is affected by step frequency, while plotting resting heart rate on the x axis and exercise heart rate on the y axis. O plotting resting heart rate on the y axis and exercise heart rate on the x axis. None of the answer options is correct. plotting exercise heart rate on the y axis and step frequency on the x axis. O O
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
Help!!
Scatterplot: It is a simplest tool which provides the idea about the relationship between the two variables.
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