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frosja888 [35]
3 years ago
9

The equation of the linear regression line represents the relationship between the amount of time, in minutes, people spend usin

g their cell phone, x, and the number of text messages they send, y.
yˆ=2/15x+98

What does the slope of the line represent?

For every 5 minutes that people spend using their cell phone, the number of texts they send decreases by 21.

For every 5 minutes that people spend using their cell phone, the number of texts they send increases by 21.

For every 21 minutes that people spend using their cell phone, the number of texts they send decreases by 5.

For every 21 minutes that people spend using their cell phone, the number of texts they send increases by 5.
Mathematics
2 answers:
Alenkinab [10]3 years ago
5 0

A linear regression line has an equation of the form Y = bx+a, where x is the explanatory variable and Y is the dependent variable. The slope of the line is b, and a is the intercept (the value of y when x = 0).

The given equation is y=\frac{21}{5} x+98

The slope of the line is \frac{21}{5}

The slope represents

For every 21 minutes that people spend using their cell phone, the number of texts they send increases by 5.

kari74 [83]3 years ago
3 0
For every 21 minutes that people spend using their cell phone, the number of texts they send increases by 5.
(I just did the test)
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