Mathematics, 01.11.2019 03:31, thomascoop85
Radon: the problem no one wants to face" is the title of an article appearing in consumer reports. radon is a gas emitted from the ground that can collect in houses and buildings. at certain levels it can cause lung cancer. radon concentrations are measured in picocuries per liter (pci/l). a radon level of 4 pci/l is considered "acceptable." radon levels in a house vary from week to week. in one house, a sample of 8 weeks had the following readings for radon level (in pci/l).
1.9 2.3 5.7 5.2 1.9 8.8 3.9 7.3
(a) find the mean, median, and mode. (enter your answers to 2 decimal places.)
mean
median
mode
(b) find the sample standard deviation, coefficient of variation, and range. (enter your answers to 2 decimal places.)
s
cv %
range
Answers: 3
=4.63 md=4.55 mo= 1.9 b) Sample Standard Deviation≈ 2.58 Coefficient of Variation=55.72% Sample Range=6.9
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 23:00, fatimababy
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
Answers: 1
Mathematics, 21.06.2019 23:30, caro11377oxq5d0
Which of the following vectors are orthogonal to (2,1)? check all that apply
Answers: 1
Mathematics, 22.06.2019 01:00, wedestttefera
Urgent? will give brainliest to the first correct answer what is the area of the figure?
Answers: 3
Mathematics, 22.06.2019 02:20, LillySchool6529
Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?
Answers: 3
Do you know the correct answer?
Radon: the problem no one wants to face" is the title of an article appearing in consumer reports....
Questions in other subjects:
Mathematics, 24.02.2020 18:56
