Mathematics, 14.06.2021 21:50 isabellatagaban
A transportation worker takes a simple random sample of 105 toll booth receipts for one day and finds that the mean is $9.45 with a standard deviation of $2.41. What is the 99% confidence interval for the mean amount of all the receipts that day?
Answers: 1
Mathematics, 21.06.2019 21:30
Are the corresponding angles congruent? explain why or why not.
Answers: 2
Mathematics, 22.06.2019 02:20
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
Mathematics, 22.06.2019 03:00
12 3 4 5 6 7 8 9 10 time remaining 42: 01 ryan gathered data about the age of the different dogs in his neighborhood and the length of their tails. which best describes the strength of the correlation, and what is true about the causation between the variables?
Answers: 2
Mathematics, 22.06.2019 04:30
Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?
Answers: 2
A transportation worker takes a simple random sample of 105 toll booth receipts for one day and find...
Mathematics, 18.06.2020 00:57
History, 18.06.2020 00:57
World Languages, 18.06.2020 00:57
Spanish, 18.06.2020 00:57
Mathematics, 18.06.2020 00:57
Law, 18.06.2020 00:57
History, 18.06.2020 00:57
Mathematics, 18.06.2020 00:57
Mathematics, 18.06.2020 00:57