Answer Happy

ASK YOUR TEACHER Each person in a random sample of 225 male teenagers and a random sample of 301 female teenagers was asked how many hours he or she spent online in a typical week. The sample mean and standard deviation were 15.1 hours and 11.3 hours for males and 143 and 11.7 for females (use a statistical computer package to calculate the P.value. Use #males - Memales. Round your test statistic to two decimal places, your df down to the nearest whole number and your P-value to three decimal places.) 1,083 X df624 x P238 Is there enough evidence to show that mean number of hours spent online in a typical week is greater for male teenagers than for female teenagers? 0.05 significance level Yes O No