![subject](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 15:40 caliharris123
Do people who smoke have higher cholesterol levels than people who do not smoke? A random sample of 315 subjects includes 43 who identify themselves as smokers and 272 who claim to be nonsmokers. Each subject's cholesterol level is measured. The average cholesterol level of the 43 smokers is 269.7; the average cholesterol level of the 272 nonsmokers is 229.5 At a 5% significance level, does this data provide evidence that the mean cholesterol level of smokers is higher than that of nonsmokers?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge
Answers: 3
You know the right answer?
Do people who smoke have higher cholesterol levels than people who do not smoke? A random sample of...
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 08.12.2020 23:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 08.12.2020 23:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 23:10