A sample of fifth-grade classes was studied in an article. One of the variables collected was...
Cel A sample of fifth-grade classes was studied in an article. One of the variables collected was the cass size in tems of student-to-faculty ratio. The student-to-faculty ratios of the 89 fifth-grade classes sampled have a mean of 15.04 and a standard deviation of 1.83. Complete parts (a) through (d) below a. Construct the graph shown below ITTEENES x-3s x-2s x-s x+s +2s x+3s x-3s x+s x-2s x+2s X-s x+3s x = (Type integers or decimals. Do not round.) b....
Please answer these 2 questions ! Dementia is the loss of infellectual and social abilities severe enough to interfere with judgment behavior and daily functioning. Alzheimer's disease is the most common type of dementia. In an article, two authors explored the experience and struggles of people diagnosed with dementia and their families. The ages of a simple random sample of 15 people with early-onset dementia have a mean of 53.4 years and a standard deviation of 5.4 years, Complete parts...
Two random samples of student loans were collected: one from students at for-profit schools and another from students at non-profit schools. The accompanying data show the sample sizes and the number of loans in each sample that defaulted. Complete parts a through c. Click the icon to view the loan data. a. Perform a hypothesis test using a = 0.10 to determine if the proportion of for-profit loans that default is larger than the proportion of loans for nonprofit schools...
Two random samples of student loans were collected: one from students at for-profit schools and another from students at non-profit schools. The accompanying data show the sample sizes and the number of loans in each sample that defaulted. Complete parts a through c. Click the icon to view the loan data. a. Perform a hypothesis test using a = 0.10 to determine if the proportion of for-profit loans that default is larger than the proportion of loans for nonprofit schools...