Round all answers to two decimal places 6) A 2011 study from the National Center for Education Statistics found high school students reportedspending an average of 6.8 hours of homework per week. The teachers at Ravenwood High School believe thisaverage is different for their students. The teachers take a random sample of 56 students and found theaverage number of homework hours was 7.5 hours with a standard deviation of 1.1 hours. Test the teachersclaim at the 0.10 significance level. Show all seven steps.7) A tire manufacturer has been producing tires with an average life expectancy of 26,000 miles. Now thecompany is advertising that their new tires' life expectancy has increased. In order to test the legitimacy oftheir advertising campaign, an independent testing agency tested a sample of 85 of their tires. The agencyfound the mean of the 85 tires to be 27,000 miles and the standard deviation to be 3,970 miles.Use a 0.01 level of significance and test to determine whether the company is using legitimate advertising.(Show all seven steps.)

Name: Round all answers to two decimal places 6) A 2011 study from the Natio
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: Round all answers to two decimal places 6) A 2011 study from the National Center for Education Statistics found high school students reportedspending an average of 6.8 hours of homework per week. The teachers at Ravenwood High School believe thisaver