Homework Answers
if we take a random sample and find its mean it wont be eqaul to entire population mean but it will be an unbiased estimate of the population mean.thus if we take infinites or many samples and find its sample mean then the average of all sample means all together might give entire popultaion estimate .
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Question 4 O pts Suppose you take a random sample and find the sample mean, X....
Question 4 10 pts X is a normal random variable with unknown mean o=5. and standard...
Question 4 10 pts X is a normal random variable with unknown mean o=5. and standard deviation (a) "Find the margin of error Ein a 95 percent confidence interval for je corresponding a random sample of size n = 16. (b) What size sample would be needed to have a margin of error equal to 1.5? B y x I - A - A - Ix E Vx c E HTML Editor x. : 12pt 31 © ? lothing
Question 11 1 pts Based on a simple random sample of 400 Wisconsin high school seniors,...
Question 11 1 pts Based on a simple random sample of 400 Wisconsin high school seniors, you have data on the number of times they've visited the emergency room in the past four years. In the process of running the following test (whether the population mean number of emergency visits over the past four years is equal to 2): H1 2 You calculate a p-value of 0.0350. Please interpret this p-value. In other words, what does this p-value tell us?...
O words 2.5 pts Question 4 What are some factors that can alter the effectiveness of...
O words 2.5 pts Question 4 What are some factors that can alter the effectiveness of a disinfectant? (Refer to the disk-diffusion and the phenol coefficient to help you answer this question) For each factor that you list, provide a short explanation of WHY it might alter the effectiveness of the disinfectant? HTML Editor x X, DES TT 12pt - Paragra V BIYA-A-I E - V
Question 11 4 pts In a paragraph (4-6 sentences minium) answer the following question in your...
Question 11 4 pts In a paragraph (4-6 sentences minium) answer the following question in your own words. Do you think that milk will curdle when room temperature pineapple juice (from a fresh pineapple) is added and explain why? Suppose the added pineapple juice was heated before it was added to the milk sample. Would you expect the heated pineapple juice to have the same outcome as the room temperature pineapple juice when added to milk? Explain HTML Editor BIU...
w Question 51 3 pts **WRITTEN WORK** Draw the structures for compound A-C in the following...
w Question 51 3 pts **WRITTEN WORK** Draw the structures for compound A-C in the following sequence of reactions. OH Come H,PO A СРВА A B NON МОН HTML Editor В І у А. I EI x x, E STT 12pt Paragraph O words Question 52 3 pts Question 52 3 pts **WRITTEN WORK** Draw the structures for compound D-F in the following sequence of reactions. OH (CH):COK D E 1. BH,THF. PBrs 2. H2O2, HOF HTML Editor BIVA -...
Question 26 2.5 pts Professor James recruited n=50 participants to test a new critical thinking seminar...
Question 26 2.5 pts Professor James recruited n=50 participants to test a new critical thinking seminar that is being held at the university. Once the participants took part in the seminar, Prof. James measured the participants' critical thinking and compared the sample mean of 10 with a standard deviation of 2 to the population average of 8. Which hypothesis test would be most appropriate in this case? B 1 y A-A HTML Editor IX E 11 x x, E TT...
Question 25 2 pts What are two defining characteristics of a Tundra, that were discussed in...
Question 25 2 pts What are two defining characteristics of a Tundra, that were discussed in lecture? HTML Editor BIVA - A IX E F 3 1 1 X X, SE V V OTT 12pt Paragraph O words
both please Question 3 14 pts Label the parts of the brain below (A-N) A B...
both please
Question 3 14 pts Label the parts of the brain below (A-N) A B C D E F G Mid Sagitta Section H NML Kj BIŲ A HTML Editore A- IE * 5 * X, VTT 12pt O words Question 4 2 pts 1. Is the brain in question #4 a human brain or a sheep brain? 2. Support your answer. (How can you tell?) HTML Editor BIVA - A - I E ** 15 x V GOV...
Question 19 8 pts A city planner is researching why traffic speeds appear to be slower...
Question 19 8 pts A city planner is researching why traffic speeds appear to be slower throughout the city. She checks 51 speed measurement devices located around the city and computes a sample mean of 20.6 mph. The historical mean speed for the city is approximately normal with u = 21.9 mph and o = 8.9 mph. What is the 95% confidence interval for the true mean speed? BIVA HTML Editor A: I = = = = = x x...
Question 38 6 pts Would you expect the antibodies produced immediately after vaccination to be more...
Question 38 6 pts Would you expect the antibodies produced immediately after vaccination to be more or less effective than those produced at later times? Explain your reasoning. HTML Editor BIVA - A I E = = = = = X = = DITT 12pt Paragraph
Question 4 10 pts X is a normal random variable with unknown mean o=5. and standard deviation (a) "Find the margin of error Ein a 95 percent confidence interval for je corresponding a random sample of size n = 16. (b) What size sample would be needed to have a margin of error equal to 1.5? B y x I - A - A - Ix E Vx c E HTML Editor x. : 12pt 31 © ? lothing
Question 11 1 pts Based on a simple random sample of 400 Wisconsin high school seniors, you have data on the number of times they've visited the emergency room in the past four years. In the process of running the following test (whether the population mean number of emergency visits over the past four years is equal to 2): H1 2 You calculate a p-value of 0.0350. Please interpret this p-value. In other words, what does this p-value tell us?...
O words 2.5 pts Question 4 What are some factors that can alter the effectiveness of a disinfectant? (Refer to the disk-diffusion and the phenol coefficient to help you answer this question) For each factor that you list, provide a short explanation of WHY it might alter the effectiveness of the disinfectant? HTML Editor x X, DES TT 12pt - Paragra V BIYA-A-I E - V
Question 11 4 pts In a paragraph (4-6 sentences minium) answer the following question in your own words. Do you think that milk will curdle when room temperature pineapple juice (from a fresh pineapple) is added and explain why? Suppose the added pineapple juice was heated before it was added to the milk sample. Would you expect the heated pineapple juice to have the same outcome as the room temperature pineapple juice when added to milk? Explain HTML Editor BIU...
w Question 51 3 pts **WRITTEN WORK** Draw the structures for compound A-C in the following sequence of reactions. OH Come H,PO A СРВА A B NON МОН HTML Editor В І у А. I EI x x, E STT 12pt Paragraph O words Question 52 3 pts Question 52 3 pts **WRITTEN WORK** Draw the structures for compound D-F in the following sequence of reactions. OH (CH):COK D E 1. BH,THF. PBrs 2. H2O2, HOF HTML Editor BIVA -...
Question 26 2.5 pts Professor James recruited n=50 participants to test a new critical thinking seminar that is being held at the university. Once the participants took part in the seminar, Prof. James measured the participants' critical thinking and compared the sample mean of 10 with a standard deviation of 2 to the population average of 8. Which hypothesis test would be most appropriate in this case? B 1 y A-A HTML Editor IX E 11 x x, E TT...
Question 25 2 pts What are two defining characteristics of a Tundra, that were discussed in lecture? HTML Editor BIVA - A IX E F 3 1 1 X X, SE V V OTT 12pt Paragraph O words
both please
Question 3 14 pts Label the parts of the brain below (A-N) A B C D E F G Mid Sagitta Section H NML Kj BIŲ A HTML Editore A- IE * 5 * X, VTT 12pt O words Question 4 2 pts 1. Is the brain in question #4 a human brain or a sheep brain? 2. Support your answer. (How can you tell?) HTML Editor BIVA - A - I E ** 15 x V GOV...
Question 19 8 pts A city planner is researching why traffic speeds appear to be slower throughout the city. She checks 51 speed measurement devices located around the city and computes a sample mean of 20.6 mph. The historical mean speed for the city is approximately normal with u = 21.9 mph and o = 8.9 mph. What is the 95% confidence interval for the true mean speed? BIVA HTML Editor A: I = = = = = x x...
Question 38 6 pts Would you expect the antibodies produced immediately after vaccination to be more or less effective than those produced at later times? Explain your reasoning. HTML Editor BIVA - A I E = = = = = X = = DITT 12pt Paragraph
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