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.

The table shows the number of text messages sent and

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Introductory Statistics Exploring The World Through Data

ISBN: 9780321978271

2nd Edition

Authors: Robert Gould, Colleen Ryan

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Question Posted: Jul 16, 2015 10:08 AM

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The table shows the number of text messages sent and received by some people in one day.

Question:

052502 200-100 50 032 5 0 2 0 1 0 0 2 iv 2 1 0 5 15870 3 Sen 1 1 0 55 50 6 5 300 30

Step by Step Answer:

a b Predicted Texts Sent 163 0993 Texts Received See scatterplot in part a for grap...View the full answer

Introductory Statistics Exploring The World Through Data

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