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Using the scatter plot and line of best fit below, predict the average number of hours slept when 5 hours are ...
Algebra Questions
Using the scatter plot and line of best fit below, predict the average number of hours slept when 5 hours are spent watching TV.
A. 5 hours
B. 4 hours
C. 2 hours
D. 9 hours
LAPC Statistics Study Hours Among Sophomores Juniors & Seniors Project
Conduct an analysis of variance (ANOVA) to check for mean differences between three independent groups on any variable of ...
LAPC Statistics Study Hours Among Sophomores Juniors & Seniors Project
Conduct an analysis of variance (ANOVA) to check for mean differences between three independent groups on any variable of your choice (i.e., Is there a difference in coffee consumption per week between under age 18, those between 18-25, and those above age 25?). Please use a different example than the one I just provided for you...
Each sample should have a minimum of n = 6 participants, thus you need a minimum of N=18 participants, total, in the entire study.
What to turn in:
State your research question (use the example above as a model).
State the null and alternative hypotheses for your ANOVA.
Using ? = .05 for your test, indicate the critical F-value, conduct the necessary calculations (show your work, as much as possible) and state your conclusions regarding the original hypotheses (Reject H0 or Fail to Reject H0).
Calculate and interpret ?2 as a measure of effect size.
Using Tukey’s post-hoc test, check for specific significant differences between groups.
Note: Please do this even if your conclusion above is “Fail to Reject H0”
Write a conclusion statement, as would appear in a published report.
SNHU WK 6 Ferris Wheel Is 29 Meters in Diameter Discussion
Mathematical models are constructed for many different practical applications, and we start to build some of them in this ...
SNHU WK 6 Ferris Wheel Is 29 Meters in Diameter Discussion
Mathematical models are constructed for many different practical applications, and we start to build some of them in this course. This discussion begins with a simple geometric model.
For your initial post, you must do the following:
Solve the problem in the Mobius module discussion.
Explain how you got your results in the Brightspace module discussion.
For your response posts, you must do the following:
Comment on your classmates’ analyses and their answers. Compare and contrast your problem-solving approach to how your classmates solved the problem.
Review the explanations given by your peers for their problem-solving strategies. Your comments may focus on the following:
How did they describe steps to make their explanations clear?
What additional details could they have included?
What details did they include that you may not have?
What changes would you make to your initial post?
Reply to at least two different classmates outside of your own initial post thread.
6-1 Trigonometric Models
Contains unread posts
Michael Foisy posted Apr 7, 2021 12:17 PM
A Ferris wheel is 27 meters in diameter and completes 1 full revolution in 16 minutes
A:.
Amplitude: A = 13.5
27/ 2 - which is half the height of the Ferris wheel.
Midline: h = 14.5
13.5 + 1 = 14.5 – half the height of Ferris wheel +1 for the platform being 1 meter above ground.
Period: P = 16
1 full revolution every 16 minutes
B:
h = -Acos(B*t)+C
h(t) = -13.5cos(Pi/8*t)+14.5
C:
If the Ferris wheel continues to turn, how high off the ground is a person after 36 minutes? 14.5
Daniel Fiedorowicz posted Apr 6, 2021 7:43 PM
to Group 1
Subscribe
Hello All,
A Ferris wheel is 22 meters in diameter and completes 1 full revolution in 16 minutes.
A. A Ferris wheel is 22 meters in diameter and boarded from a platform that is 1 meter above the ground. The six o’clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 16 minutes. The function h(t) gives a person’s height in meters above the ground t minutes after the wheel begins to turn.
Amplitude: Based on the given information the Diameter of the Ferris wheel is 22 meters. The radius of the wheel is Diameter/2 so for this wheel the radius is 11 meters. Therefore the height will oscillate with amplitude of 11 meters above and below the center.
A= 11 meters
Midline: Passengers will get on the wheel 1 m above the ground, so the center of the wheel must be located 11+1=12 meters above ground level. The midline of the oscillation will be at 12 meters.
h= 12 meters
Period: The Ferris wheel takes 16 minutes to complete 1 revolution, so the height will oscillate with a period of 16 minutes. A person riding the wheel will board at the lowest point of the wheel and go up, making the function of the wheel a cosine function.
P= 16 Minutes
Shape= -cos
B. The basic Sinusoidal cosine function would be:
y=Acos(Bx?C)+D
In order to use this formula we need to calculate the value of the period:
2?|B|= 2?|16|=?8
so with that we can plug in the rest given information into the formula:
A=-11
B= ?8
C= 0
D= 12
x= time: t
h(t)=?11cos(?8t)+12
C. If the Ferris wheel continues to turn, how high off the ground is a person after 60 minutes?
I inserted 60 into our function as the value for t, then used excel to find the correct answer.
h(60)=?11cos(?8(60))+12=12
After 60 minutes of riding the wheel the person is 12 meters off the ground.
PSY 3211 Florida International University Null & Alternative Hypothesis Project
First question requires you to create a frequency histogram.The other questions are about finding the null/alternative hyp ...
PSY 3211 Florida International University Null & Alternative Hypothesis Project
First question requires you to create a frequency histogram.The other questions are about finding the null/alternative hypothesis, labeling the type 1 and type 2 errors, and finding out if the scenario is directional or non-directional.If calculator is needed, it is only a little.
Statistics and Biostatistics help needed
Question 1 Recently, Australian researchers conducted a study of the relationship between optimism and colon cancer surviv ...
Statistics and Biostatistics help needed
Question 1 Recently, Australian researchers conducted a study of the relationship between optimism and colon cancer survival. Their hypothesis was that colon cancer patients who had a positive outlook on life would have a lower five-year cumulative incidence of mortality. The study included 100 recently diagnosed colon cancer patients who underwent psychological testing and were found to have a optimistic outlook on life and 100 recently diagnosed colon cancer patients who underwent the same psychological tests and were found to have a pessimistic outlook on life. By the end of five years of follow-up, 50 of the 100 patients with the optimistic outlook and 75 of the 100 patients with the pessimistic outlook had died from colon cancer. • Set up and fill in the two by two table using these data. • What is the prevalence of colon cancer in the study population? • Compare the cumulative incidence of mortality in the optimistic group to the cumulative incidence of mortality in the pessimistic group using a ratio measure of association. • State in words your interpretation of the result you found in part c. Question 2 A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the non-smokers developed bladder cancer. Construct a two by two table using the data given above. Be sure to label the cells and margins. Which measure of comparison would you use to describe the relative effect of smoking on the risk of bladder cancer? What is the formula for this measure of comparison? Calculate this measure of comparison using the given data. State the meaning of your answer in one sentence. Question 3 For this problem, note the following chart: For this problem, note the following chart:Age Group(in years)% of Population in Age GroupInfluenza Rate per 1,000 person-yearsCITY ACITY BCITY CMassachusettsCITY ACITY BCITY CYOUNG40%50%80%60%21030OLD60%50%20%40%701105There are 10,000 individuals in City A, which is located in Massachusetts. Eight young individuals and 420 old individuals develop the flu over the course of a year.Use these data to calculate the crude influenza rate per 1,000 individuals per years in City A.What is the crude rate of influenza in City B?What is the crude rate of influenza in City C?Calculate an age-adjusted influenza rate for each of the cities. Use the age distribution for the State of Massachusetts (shown in the table) as the standard.
8 pages
Su Psy2008 W10 Project B Kennedy Diamond
Social scientists have long been interested in the accuracy of eyewitness testimony. Several studies over the past few dec ...
Su Psy2008 W10 Project B Kennedy Diamond
Social scientists have long been interested in the accuracy of eyewitness testimony. Several studies over the past few decades have demonstrated that ...
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Most Popular Content
Algebra Questions
Using the scatter plot and line of best fit below, predict the average number of hours slept when 5 hours are ...
Algebra Questions
Using the scatter plot and line of best fit below, predict the average number of hours slept when 5 hours are spent watching TV.
A. 5 hours
B. 4 hours
C. 2 hours
D. 9 hours
LAPC Statistics Study Hours Among Sophomores Juniors & Seniors Project
Conduct an analysis of variance (ANOVA) to check for mean differences between three independent groups on any variable of ...
LAPC Statistics Study Hours Among Sophomores Juniors & Seniors Project
Conduct an analysis of variance (ANOVA) to check for mean differences between three independent groups on any variable of your choice (i.e., Is there a difference in coffee consumption per week between under age 18, those between 18-25, and those above age 25?). Please use a different example than the one I just provided for you...
Each sample should have a minimum of n = 6 participants, thus you need a minimum of N=18 participants, total, in the entire study.
What to turn in:
State your research question (use the example above as a model).
State the null and alternative hypotheses for your ANOVA.
Using ? = .05 for your test, indicate the critical F-value, conduct the necessary calculations (show your work, as much as possible) and state your conclusions regarding the original hypotheses (Reject H0 or Fail to Reject H0).
Calculate and interpret ?2 as a measure of effect size.
Using Tukey’s post-hoc test, check for specific significant differences between groups.
Note: Please do this even if your conclusion above is “Fail to Reject H0”
Write a conclusion statement, as would appear in a published report.
SNHU WK 6 Ferris Wheel Is 29 Meters in Diameter Discussion
Mathematical models are constructed for many different practical applications, and we start to build some of them in this ...
SNHU WK 6 Ferris Wheel Is 29 Meters in Diameter Discussion
Mathematical models are constructed for many different practical applications, and we start to build some of them in this course. This discussion begins with a simple geometric model.
For your initial post, you must do the following:
Solve the problem in the Mobius module discussion.
Explain how you got your results in the Brightspace module discussion.
For your response posts, you must do the following:
Comment on your classmates’ analyses and their answers. Compare and contrast your problem-solving approach to how your classmates solved the problem.
Review the explanations given by your peers for their problem-solving strategies. Your comments may focus on the following:
How did they describe steps to make their explanations clear?
What additional details could they have included?
What details did they include that you may not have?
What changes would you make to your initial post?
Reply to at least two different classmates outside of your own initial post thread.
6-1 Trigonometric Models
Contains unread posts
Michael Foisy posted Apr 7, 2021 12:17 PM
A Ferris wheel is 27 meters in diameter and completes 1 full revolution in 16 minutes
A:.
Amplitude: A = 13.5
27/ 2 - which is half the height of the Ferris wheel.
Midline: h = 14.5
13.5 + 1 = 14.5 – half the height of Ferris wheel +1 for the platform being 1 meter above ground.
Period: P = 16
1 full revolution every 16 minutes
B:
h = -Acos(B*t)+C
h(t) = -13.5cos(Pi/8*t)+14.5
C:
If the Ferris wheel continues to turn, how high off the ground is a person after 36 minutes? 14.5
Daniel Fiedorowicz posted Apr 6, 2021 7:43 PM
to Group 1
Subscribe
Hello All,
A Ferris wheel is 22 meters in diameter and completes 1 full revolution in 16 minutes.
A. A Ferris wheel is 22 meters in diameter and boarded from a platform that is 1 meter above the ground. The six o’clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 16 minutes. The function h(t) gives a person’s height in meters above the ground t minutes after the wheel begins to turn.
Amplitude: Based on the given information the Diameter of the Ferris wheel is 22 meters. The radius of the wheel is Diameter/2 so for this wheel the radius is 11 meters. Therefore the height will oscillate with amplitude of 11 meters above and below the center.
A= 11 meters
Midline: Passengers will get on the wheel 1 m above the ground, so the center of the wheel must be located 11+1=12 meters above ground level. The midline of the oscillation will be at 12 meters.
h= 12 meters
Period: The Ferris wheel takes 16 minutes to complete 1 revolution, so the height will oscillate with a period of 16 minutes. A person riding the wheel will board at the lowest point of the wheel and go up, making the function of the wheel a cosine function.
P= 16 Minutes
Shape= -cos
B. The basic Sinusoidal cosine function would be:
y=Acos(Bx?C)+D
In order to use this formula we need to calculate the value of the period:
2?|B|= 2?|16|=?8
so with that we can plug in the rest given information into the formula:
A=-11
B= ?8
C= 0
D= 12
x= time: t
h(t)=?11cos(?8t)+12
C. If the Ferris wheel continues to turn, how high off the ground is a person after 60 minutes?
I inserted 60 into our function as the value for t, then used excel to find the correct answer.
h(60)=?11cos(?8(60))+12=12
After 60 minutes of riding the wheel the person is 12 meters off the ground.
PSY 3211 Florida International University Null & Alternative Hypothesis Project
First question requires you to create a frequency histogram.The other questions are about finding the null/alternative hyp ...
PSY 3211 Florida International University Null & Alternative Hypothesis Project
First question requires you to create a frequency histogram.The other questions are about finding the null/alternative hypothesis, labeling the type 1 and type 2 errors, and finding out if the scenario is directional or non-directional.If calculator is needed, it is only a little.
Statistics and Biostatistics help needed
Question 1 Recently, Australian researchers conducted a study of the relationship between optimism and colon cancer surviv ...
Statistics and Biostatistics help needed
Question 1 Recently, Australian researchers conducted a study of the relationship between optimism and colon cancer survival. Their hypothesis was that colon cancer patients who had a positive outlook on life would have a lower five-year cumulative incidence of mortality. The study included 100 recently diagnosed colon cancer patients who underwent psychological testing and were found to have a optimistic outlook on life and 100 recently diagnosed colon cancer patients who underwent the same psychological tests and were found to have a pessimistic outlook on life. By the end of five years of follow-up, 50 of the 100 patients with the optimistic outlook and 75 of the 100 patients with the pessimistic outlook had died from colon cancer. • Set up and fill in the two by two table using these data. • What is the prevalence of colon cancer in the study population? • Compare the cumulative incidence of mortality in the optimistic group to the cumulative incidence of mortality in the pessimistic group using a ratio measure of association. • State in words your interpretation of the result you found in part c. Question 2 A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the non-smokers developed bladder cancer. Construct a two by two table using the data given above. Be sure to label the cells and margins. Which measure of comparison would you use to describe the relative effect of smoking on the risk of bladder cancer? What is the formula for this measure of comparison? Calculate this measure of comparison using the given data. State the meaning of your answer in one sentence. Question 3 For this problem, note the following chart: For this problem, note the following chart:Age Group(in years)% of Population in Age GroupInfluenza Rate per 1,000 person-yearsCITY ACITY BCITY CMassachusettsCITY ACITY BCITY CYOUNG40%50%80%60%21030OLD60%50%20%40%701105There are 10,000 individuals in City A, which is located in Massachusetts. Eight young individuals and 420 old individuals develop the flu over the course of a year.Use these data to calculate the crude influenza rate per 1,000 individuals per years in City A.What is the crude rate of influenza in City B?What is the crude rate of influenza in City C?Calculate an age-adjusted influenza rate for each of the cities. Use the age distribution for the State of Massachusetts (shown in the table) as the standard.
8 pages
Su Psy2008 W10 Project B Kennedy Diamond
Social scientists have long been interested in the accuracy of eyewitness testimony. Several studies over the past few dec ...
Su Psy2008 W10 Project B Kennedy Diamond
Social scientists have long been interested in the accuracy of eyewitness testimony. Several studies over the past few decades have demonstrated that ...
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