In a random sample of 150 of the school's 400 students, 86 students reported absences for...
In a random sample of 150 of the school's 400 students, 86 students reported absences for the flu during the school year. The sample proportion of flu absences is 0.5733.
Does this sample provide evidence that 70 percent of all flu absences occur for the entire student population?
Explain your response, indicating how proportions helped to set the parameters for this population and whether incidence or prevalence proportions are represented in the sample
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In a random sample of 150 of the school's 400
students, 86 students reported absences for...
The data below was collected from random samples of high school students in various counties given...
The data below was collected from random samples of high school students in various counties given a new standardized test in science. SCORES LOCATION Fresno County L.A. County Kern County Sacramento County Fail Low Pass Pass High Pass 30 60 70 150 15 40 50 80 150 400 90 250 75 80 30 50 13.What sort of scale of measurement was used to record the scores of the students(Nominal, ordinal, interval or ratio)? 14.What sort of variable is represented by...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 275. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 33. At alpha=0.05, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H0 and...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 267. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 260. Assume that the population standard deviation is 31. At α=0.12, is there enough evidence to support the administrator's claim? Complete parts (a) through (a) Write the claim mathematically and identify Ho and H...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 272. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 34. At a=0.14, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H, and...
In a random sample of 565 college students, 150 had part-time jobs. Find the margin of...
In a random sample of 565 college students, 150 had part-time jobs. Find the margin of error for the 92.5 percent confidence interval used to estimate the population proportion SELECT ALL APPLICABLE CHOICES A) B) 0.0321 0.03308 C) None of These Assume that a simple random sample has been selected from a normally distributed population and test the given claim. State the final conclusion that addresses the original claim and select three correct choices. A test of sobriety involves measuring...
A survey of a random sample of 400 Telfer undergraduate students in third or fourth year...
A survey of a random sample of 400 Telfer undergraduate students in third or fourth year was carried out to gather information for research about student life. Questions were asked about demographic characteristics, grades, study habits, and leisure activities. Here are some of the variables for which data were collected (they are labeled V1 through V9. for convenience). Assume that quantitative variables are normally distributed • V1: First-year overall grade (percent) • V2: Gender (1 male, 2-female) • V3: Opinion...
A random sample of 214 junior and senior college students was taken. Each student reported the...
A random sample of 214 junior and senior college students was
taken. Each student reported the average amount of sleep they get
per night (in minutes) and their current college GPA. Plots from a
simple linear regression analysis are displayed below.
Which of the following is true about the linearity
condition?
1.The linearity condition is not satisfied because there is
curvature in the normal probability plot of the residuals.
2.The linearity condition is satisfied because most of the
residuals...
The data below was collected from random samples of high school students in various counties given a new standardized test in science. SCORES LOCATION Fresno County L.A. County Kern County Sacramento County Fail Low Pass Pass High Pass 30 60 70 150 15 40 50 80 150 400 90 250 75 80 30 50 13.What sort of scale of measurement was used to record the scores of the students(Nominal, ordinal, interval or ratio)? 14.What sort of variable is represented by...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 267. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 260. Assume that the population standard deviation is 31. At α=0.12, is there enough evidence to support the administrator's claim? Complete parts (a) through (a) Write the claim mathematically and identify Ho and H...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 272. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 34. At a=0.14, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H, and...
In a random sample of 565 college students, 150 had part-time jobs. Find the margin of error for the 92.5 percent confidence interval used to estimate the population proportion SELECT ALL APPLICABLE CHOICES A) B) 0.0321 0.03308 C) None of These Assume that a simple random sample has been selected from a normally distributed population and test the given claim. State the final conclusion that addresses the original claim and select three correct choices. A test of sobriety involves measuring...
A survey of a random sample of 400 Telfer undergraduate students in third or fourth year was carried out to gather information for research about student life. Questions were asked about demographic characteristics, grades, study habits, and leisure activities. Here are some of the variables for which data were collected (they are labeled V1 through V9. for convenience). Assume that quantitative variables are normally distributed • V1: First-year overall grade (percent) • V2: Gender (1 male, 2-female) • V3: Opinion...
A random sample of 214 junior and senior college students was
taken. Each student reported the average amount of sleep they get
per night (in minutes) and their current college GPA. Plots from a
simple linear regression analysis are displayed below.
Which of the following is true about the linearity
condition?
1.The linearity condition is not satisfied because there is
curvature in the normal probability plot of the residuals.
2.The linearity condition is satisfied because most of the
residuals...
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