Question

7.54 Texting and driving. The Ohio Youth Risk Behavior Survey is conducted every two years in a sample of high schools across the state of Ohio. One of the questions on the 2013 survey wax "During the past 30 days, on how many days did you text or email while driving a car or other vehicle?" Here are the survey results:25 TEXTING 7.56 Days Female Male 0 263 229 1-9 96 100 10-19 19 27 20-30 53 53 Total 431 409 Write a brief analysis of these results that focuses on the relationship between sex and driving behavior.

Answer 1

The calculation of sd

Female Male 263 difference (di-dbar)2 229 34 635.04 100 -4 163.84 27 -8 282.24 96 19 53 53 0 77.44 431 409 22 174.24 sum 44 1332.8

Sola The null and allernative hypothesut Homd=0 Had to I = Edi 44 S = 8.8 sa = V Eldi-d)? 1332.8 = 18.2537 nal 5-1 t-test: Jud Si -1.077 8.8 - 0 18.2537 VS P-value = 0.3421 since P-value <<(0.05), hence we failed to reject Ho. :. There is not evidence that focus on the relationship between sex and driving behaviour sufficient