PLEASE HELP QUICKLY!!!
2 answers:
Answer:
The Regression line is that line , which passes through all the points , through a single point , or none of the points.
Here, the table is about ,weight of a dog in pounds at various ages in months.
The ratio of Weight at different stages,of months should be proportional.
So, if you look at option (1) , the ratio of x to y in three cases are same that is
It means Regression line is Passing through three points, means Dog's weight at three different stages of month are same.and in other tables the ratio are not equivalent.
So, Table 1, that is option 1
is true.
x: 3, 4, 6, 8, 9, 12
y: 2, 5, 7, 10, 11, 15
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let's firstly, convert the mixed fractions to improper, and then do equation.
Using the mean concept, it is found that:
Relative to Sabrina's goal, her average swim time over the last five weeks is 0.1 hours.
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The mean of a data-set is given by the <u>sum of all observations divided by the number of observations</u>.
In this problem:
- The data-set is her swim time relative to her goal, which is: {1.25, -1, 2.25, 0, -2.}
- 5 observations.
Thus, the mean is:
Relative to Sabrina's goal, her average swim time over the last five weeks is 0.1 hours.
A similar problem is given at brainly.com/question/24787716