Mathematics, 24.11.2021 02:20 alyahmarie00
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening time. It was discovered that the mean listening time for men was 31 minutes per day. The standard deviation of the sample of the 10 men studied was 10 minutes per day. The mean listening time for the 12 women studied was also 31 minutes, but the standard deviation of the sample was 15 minutes. At the .10 significance level, can we conclude that there is a difference in the variation in the listening times for men and women? The test statistic is .
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.
Answers: 3
Mathematics, 21.06.2019 20:30
Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?
Answers: 1
Mathematics, 21.06.2019 22:00
Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²
Answers: 2
You know the right answer?
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One fa...
Questions
Health, 21.09.2019 03:50
Chemistry, 21.09.2019 03:50
Computers and Technology, 21.09.2019 03:50
History, 21.09.2019 03:50
Biology, 21.09.2019 03:50
Physics, 21.09.2019 03:50
Physics, 21.09.2019 03:50
Mathematics, 21.09.2019 03:50
