The table shows the number of text messages sent and received by some people in one day.
Question:
The table shows the number of text messages sent and received by some people in one day. (Source: StatCrunch: Responses to survey. How often do you text? Owner: Webster West. A subset was used.)
a. Make a scatterplot of the data, and state the sign of the slope from the scatterplot. Use the number sent as the independent variable.
b. Use linear regression to find the equation of the best-fit line. Graph the line with technology or by hand.
c. Interpret the slope.
d. Interpret the intercept.
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a b Predicted Texts Sent 163 0993 Texts Received See scatterplot in part a for grap...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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