Concept explainers
Text Messages The following 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
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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Introductory Statistics
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