Homework Answers
Ans:
Given that sample size,n=8
degree of freedom,df=n-1
df=8-1
df=7
So,correct option is 7.0
US-352 Quiz 5 2 3 4 5 6 7 8 9 10 11 12 13 14...
US-352 Quiz 5 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 Which of the following would be an appropriate null hypothesis? The mean of a sample is equal to 65 The mean of a population is greater than 65. The mean of a population is equal to 65. Only (a) and (c) are true. s Previous I Skip I Save & Nex
US-352 Quiz 5 13 14 15 16 17 2 3 4 5 6 78 910 The...
US-352 Quiz 5 13 14 15 16 17 2 3 4 5 6 78 910 The county clerk wants to estimate the proportion of retired voters who will need special election facilities. The clerk wants to be 95% (Z-1.96) confident that the sample proportion will only differ from the true population proportion by 0.07. Assume p 0.5. How large a sample must be taken to assure these conditions are met? 203 196 186 149 s Previous SkipI Save & N
Please answer the question in relation to Scenario 9-1 BUS-352 Quiz 5 9 10 11 12...
Please answer the question in relation to Scenario 9-1
BUS-352 Quiz 5 9 10 11 12 13 15 16 14 17 Refering to Scenario 9-1, the parameter the manger is interested in is: SCENARIO9-1 Microsoft Excel was used on a set of data involving the number of deféctive items found in a random sample of 46 cases of ligh know if the mean number of defect will make her decision using a test with a level of significance ofo 10...
12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...
12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. Atrecent survey of 8 private colleges in the United States revealed the following endowments (in millions of 490.0, 122.6, 177.5, 95.4, and 220.0. What...
CALENDAR TASKS RESOURCES CONNECT BUS-352 Quiz 7 12 3 4 5 67 8 9 10 If...
CALENDAR TASKS RESOURCES CONNECT BUS-352 Quiz 7 12 3 4 5 67 8 9 10 If you were conducting a hypothesis test for means and the population standard deviation is known, what critical value would you use: Q. Previous I Skip I Save & Next 2011 LoudCloud Systems Privacy Policy I Tech Support 1 Feedback [Ver: 2.8.29 1 -13 Nov 2017 17:36:37-1 10:23:35 AM MST IAN MacBook Air
1 2 3 10 11 12 13 14 15 16 21 20 Question 13 of 25...
1 2 3 10 11 12 13 14 15 16 21 20 Question 13 of 25 pointsAenet101 View question in a popup thn Remaining 8.1 Section Erre 47 dlo How smart is your phone? A random sample of 8 Samsung Galaxy smartphones being sold over the Internet in 2013 had the following prices, in dollars: 109 169 385 329 269 149 135 249 Sen dute Assume the population standard deviation is =81. Perform the following Part 1 of 3 (a)...
Multiple Choice Question Consider the following sample: 16, 13, 10, 17, 16, 14, 5, 12, 15,...
Multiple Choice Question Consider the following sample: 16, 13, 10, 17, 16, 14, 5, 12, 15, 8, 9, 10, 15, 22, 8. Calculate the variance and interquartile range of the sample, respectively. A. 19.38; 7 B. 15.7; 7 C. 4.40; 7 D. 19.38; 7.5 E. 19.38; 6.5 Multiple Choice Question Assume that the monthly rainfall in Ottawa is normally distributed with mean 35.4 inches and standard deviation 4.2 inches. A research is conducted at the university of Ottawa for 10...
2. For the following data: 1 2 3 4 5 5 6 16 20 18 17...
2. For the following data: 1 2 3 4 5 5 6 16 20 18 17 18 21 1. Calculate the sample mean and sample variance b. Calculate the probability that the population mean is between 9 and 10 if the population standard deviation is known to be 2.3. c. What is the 95% confidence interval for the population mean if the population standard deviation is known to be 2.32 d. Calculate the 95% confidence interval using the sample standard...
Question 5 Estimating Mean SAT Math Score Type numbers in the boxes. 7 Part 1: 5...
Question 5 Estimating Mean SAT Math Score Type numbers in the boxes. 7 Part 1: 5 points The SAT is the most widely used college admission exam. (Most community Part 2:5 points colleges do not require students to take this exam.) The mean SAT math score varies by state and by year, so the value of u depends on the state and the year. to points But let's assume that the shape and spread of the distribution of individual SAT...
0_U-IgNsikasNWEDBA9PVVRe4tCL6xedC30WT75R50Xmai_KAADILAjqzxPmXWKWIKC78EfixucBBnZ8UYHNdNiOwplSM. Homework 14 Question 8 of 11 (1 point) Question Attempt 2 of Unlimited ✓2 ✓3...
0_U-IgNsikasNWEDBA9PVVRe4tCL6xedC30WT75R50Xmai_KAADILAjqzxPmXWKWIKC78EfixucBBnZ8UYHNdNiOwplSM. Homework 14 Question 8 of 11 (1 point) Question Attempt 2 of Unlimited ✓2 ✓3 ✓5 6 ✓7 8 ✓9 ✓ 10 ✓ 11 A psychologist is interested in the mean IQ score of a given group of children. It is known that the IQ scores of the group have a standard deviation of 13. The psychologist randomly selects 100 children from this group and finds that their mean IQ score is 103. Based on this sample, find a...
US-352 Quiz 5 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 Which of the following would be an appropriate null hypothesis? The mean of a sample is equal to 65 The mean of a population is greater than 65. The mean of a population is equal to 65. Only (a) and (c) are true. s Previous I Skip I Save & Nex
US-352 Quiz 5 13 14 15 16 17 2 3 4 5 6 78 910 The county clerk wants to estimate the proportion of retired voters who will need special election facilities. The clerk wants to be 95% (Z-1.96) confident that the sample proportion will only differ from the true population proportion by 0.07. Assume p 0.5. How large a sample must be taken to assure these conditions are met? 203 196 186 149 s Previous SkipI Save & N
Please answer the question in relation to Scenario 9-1
BUS-352 Quiz 5 9 10 11 12 13 15 16 14 17 Refering to Scenario 9-1, the parameter the manger is interested in is: SCENARIO9-1 Microsoft Excel was used on a set of data involving the number of deféctive items found in a random sample of 46 cases of ligh know if the mean number of defect will make her decision using a test with a level of significance ofo 10...
12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. Atrecent survey of 8 private colleges in the United States revealed the following endowments (in millions of 490.0, 122.6, 177.5, 95.4, and 220.0. What...
CALENDAR TASKS RESOURCES CONNECT BUS-352 Quiz 7 12 3 4 5 67 8 9 10 If you were conducting a hypothesis test for means and the population standard deviation is known, what critical value would you use: Q. Previous I Skip I Save & Next 2011 LoudCloud Systems Privacy Policy I Tech Support 1 Feedback [Ver: 2.8.29 1 -13 Nov 2017 17:36:37-1 10:23:35 AM MST IAN MacBook Air
1 2 3 10 11 12 13 14 15 16 21 20 Question 13 of 25 pointsAenet101 View question in a popup thn Remaining 8.1 Section Erre 47 dlo How smart is your phone? A random sample of 8 Samsung Galaxy smartphones being sold over the Internet in 2013 had the following prices, in dollars: 109 169 385 329 269 149 135 249 Sen dute Assume the population standard deviation is =81. Perform the following Part 1 of 3 (a)...
Multiple Choice Question Consider the following sample: 16, 13, 10, 17, 16, 14, 5, 12, 15, 8, 9, 10, 15, 22, 8. Calculate the variance and interquartile range of the sample, respectively. A. 19.38; 7 B. 15.7; 7 C. 4.40; 7 D. 19.38; 7.5 E. 19.38; 6.5 Multiple Choice Question Assume that the monthly rainfall in Ottawa is normally distributed with mean 35.4 inches and standard deviation 4.2 inches. A research is conducted at the university of Ottawa for 10...
2. For the following data: 1 2 3 4 5 5 6 16 20 18 17 18 21 1. Calculate the sample mean and sample variance b. Calculate the probability that the population mean is between 9 and 10 if the population standard deviation is known to be 2.3. c. What is the 95% confidence interval for the population mean if the population standard deviation is known to be 2.32 d. Calculate the 95% confidence interval using the sample standard...
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0_U-IgNsikasNWEDBA9PVVRe4tCL6xedC30WT75R50Xmai_KAADILAjqzxPmXWKWIKC78EfixucBBnZ8UYHNdNiOwplSM. Homework 14 Question 8 of 11 (1 point) Question Attempt 2 of Unlimited ✓2 ✓3 ✓5 6 ✓7 8 ✓9 ✓ 10 ✓ 11 A psychologist is interested in the mean IQ score of a given group of children. It is known that the IQ scores of the group have a standard deviation of 13. The psychologist randomly selects 100 children from this group and finds that their mean IQ score is 103. Based on this sample, find a...
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