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March 4, 2015

March 4, 2015

Posted by **SROBSON** on Sunday, April 17, 2011 at 6:03pm.

Thanks in advance. Problem below.

Cell Phone Mins= 3.5*cost + 25

where cell phone mins measure the number of minutes per month and cost is the dollar amount paid for the cell phone.

A) How many cell phone minutes are estimated to be used for someone who paid $95 for the cell phone?

B) Interpret the slope coefficient as an elasticity.

- Statistics -
**MathGuru**, Monday, April 18, 2011 at 6:29pmRegression equation can be stated in this form:

predicted y = a + bx

...where 'a' is the intercept and 'b' is the slope.

Therefore, for part A, substitute 95 for 'cost' and solve for 'cell phone minutes' in the equation given.

For part B, use 3.5 for the slope to determine elasticity.

Hope this will help get you started.

- Statistics -
**SROBSON**, Wednesday, April 20, 2011 at 6:01pmThanks so much. I was on the right track then.

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