i'll mark brainliest and thank profile, just need help.
This table contains data on the number of people visiting a historical landmark over a period of one week. Using technology, find the equation of the regression line for the following data. Round values to the nearest tenth if necessary.

ill mark brainliest and thank profile just need help This table contains data on the number of people visiting a historical landmark over a period of one week U class=
ill mark brainliest and thank profile just need help This table contains data on the number of people visiting a historical landmark over a period of one week U class=

Respuesta :

Answer:

The equation of the regression line for the following data is:

y=2.4x+120.1

Step-by-step explanation:

We are given a set of data values in table form as:

           Day(x)                  Number of visitors(y)

               1                              120

               2                             124

               3                             130

               4                              131

               5                              135

               6                              132

               7                              135

Hence, when we draw a scatter plot with the help of these data points using the linear regression calculator we see that the regression line is a line with y-intercept as (0,120.1) and x-intercept as  (-50.04,0)

Hence, the regression line for the following data is:

                   y=2.4x+120.1

Ver imagen virtuematane

Answer:

[tex]y = 2.4x + 120.1[/tex]

Step-by-step explanation:

Given table,

x              1             2              3              4             5               6          7

f(x)         120        124           130         131          135          132       135

Let the linear equation that shows the given table is,

[tex]y=mx + b[/tex]

Where,

[tex]m =\frac{\sum xy - \sum x \sum y}{n\sum x - (\sum x)^2}[/tex]

[tex]b=\frac{\sum y - m\sum x}{n}[/tex]

Here, n = 7

Using graphing calculator,

m = 2.35714 ≈ 2.4,

b = 120.143 ≈ 120.1

Hence, the required equation would be,

[tex]y = 2.4x + 120.1[/tex]

i.e. LAST option is correct.

Ver imagen slicergiza