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0.1845 1 pts Question 13 Given the following three months of data what is the standard...
This To 8 of 22 (19 complete) This Question: 2 pts The data to the right...
This To 8 of 22 (19 complete) This Question: 2 pts The data to the right represent the number of days of the growing season over the last 10 years in a certain geographic area. It is known that the data are normally distributed and that s = 21.01 days 196 177 171 170 168 152 142 147 168 210 Using these values as a simple random sample, construct a 98% confidence interval for the population standard deviation of the...
4 pts If a given data set is normally distributed with a mean of 15 and...
4 pts If a given data set is normally distributed with a mean of 15 and a standard deviation of 5, what is the z-score that corresponds to a value of 13? Express your answer as a decimal rounded correctly to the hundredths place.
Question 7 1 pts Find the variance of the following sample data. Round your answer to...
Question 7 1 pts Find the variance of the following sample data. Round your answer to nearest hundredths. 9, 13, 12,7, 6, 11, 12 Question 8 1 pts Find the variance of the following data assuming that the data represent the entire population. Round your answer to nearest hundredths. 9, 13, 12,7, 6, 11, 12 Question 9 1 pts If the variance of sample data is 4, what is its standard deviation? Question 10 1 pts If the standard deviation...
The following questions are in order: Question 1 1 pts The following data applies to Questions...
The following questions are in order:
Question 1 1 pts The following data applies to Questions 1 to 3 Consider two risky assets: a stock fund and a bond fund with the following probability distributions. Scenario Severe recession Mild recession Normal growth Boom What is the expected return for the bond fund? Your answer should be in percentage points and accurate to the hundredth. For example, if your answer is 10.2511%, then type in 10.25 Probability 0.05 0.25 0.40 0.30...
Question 3 1 pts Calculate Sample Variance for the following data collection: 10, 11, 12, 13,...
Question 3 1 pts Calculate Sample Variance for the following data collection: 10, 11, 12, 13, 14, 18. O 8.0 O 6.8 4.6 O 2.4 8:54 PM 21 eopleSc xCourseH HW-03 Week 3: S X eycollege.instructure.com ! ☆山 0/1 pts Question4 Calculate Sample Standard Deviation for the following data collection: 4, 6, 10, 14, 16. 4.28 O 3.46 5.10 7.24
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A...
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary |Emplovees 5,001-10,000 10,001 15,000 15,001-20,000 20,001- 25,000 25001 30,000 O s 8034.5 O s 7439.4 14 13 17 18 O s 7811.3 O s 8257.7
Question 12 (5 points) 12. Compute the standard deviation of the expected return given these three...
Question 12 (5 points) 12. Compute the standard deviation of the expected return given these three economic states, their likelihoods, and the potential returns: Economic status Probability Return Fast growth 0.1 50% Slow growth 0.6 8% Recession -10 % 0.3 (just type the number of standard deviation (SD) without % and round up to second decimal places. For example, if your answer is 13.6789, enter 13.68) 6.2 AV Question 13 (5 points) panes 13. A company has a beta of...
This Question: 1 pt of 13 (4 This Quiz: 13 pts possi and standard deviation for...
This Question: 1 pt of 13 (4 This Quiz: 13 pts possi and standard deviation for the In a past election, the voter turnout was 79%, in a s numbers of voters in groups of 931. b. In the survey of 931 people, 693 said that they voted in the election. Is this result u kely to occur with a tumou of 79%? why or why not? c ased on these r results, does it appear that accurate voting results...
Question 13 1 pts A normal population has a meanu = 31 and standard deviation o8....
Question 13 1 pts A normal population has a meanu = 31 and standard deviation o8. What proportion of the population is less than 29? 1.0000 O 0.7517 O 0.5987 O 0.4013
Question 14 8 pts Use the given degree of confidence and sample data to find a...
Question 14 8 pts Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation o. Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation. College students' annual earnings: 98% confidence; n = 9, sample mean is $4121,s = $873 $531<o< $1708 $590 <o< $1672 $551<o<$1925 $687 <o< $1139
This To 8 of 22 (19 complete) This Question: 2 pts The data to the right represent the number of days of the growing season over the last 10 years in a certain geographic area. It is known that the data are normally distributed and that s = 21.01 days 196 177 171 170 168 152 142 147 168 210 Using these values as a simple random sample, construct a 98% confidence interval for the population standard deviation of the...
4 pts If a given data set is normally distributed with a mean of 15 and a standard deviation of 5, what is the z-score that corresponds to a value of 13? Express your answer as a decimal rounded correctly to the hundredths place.
Question 7 1 pts Find the variance of the following sample data. Round your answer to nearest hundredths. 9, 13, 12,7, 6, 11, 12 Question 8 1 pts Find the variance of the following data assuming that the data represent the entire population. Round your answer to nearest hundredths. 9, 13, 12,7, 6, 11, 12 Question 9 1 pts If the variance of sample data is 4, what is its standard deviation? Question 10 1 pts If the standard deviation...
The following questions are in order:
Question 1 1 pts The following data applies to Questions 1 to 3 Consider two risky assets: a stock fund and a bond fund with the following probability distributions. Scenario Severe recession Mild recession Normal growth Boom What is the expected return for the bond fund? Your answer should be in percentage points and accurate to the hundredth. For example, if your answer is 10.2511%, then type in 10.25 Probability 0.05 0.25 0.40 0.30...
Question 3 1 pts Calculate Sample Variance for the following data collection: 10, 11, 12, 13, 14, 18. O 8.0 O 6.8 4.6 O 2.4 8:54 PM 21 eopleSc xCourseH HW-03 Week 3: S X eycollege.instructure.com ! ☆山 0/1 pts Question4 Calculate Sample Standard Deviation for the following data collection: 4, 6, 10, 14, 16. 4.28 O 3.46 5.10 7.24
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary |Emplovees 5,001-10,000 10,001 15,000 15,001-20,000 20,001- 25,000 25001 30,000 O s 8034.5 O s 7439.4 14 13 17 18 O s 7811.3 O s 8257.7
Question 12 (5 points) 12. Compute the standard deviation of the expected return given these three economic states, their likelihoods, and the potential returns: Economic status Probability Return Fast growth 0.1 50% Slow growth 0.6 8% Recession -10 % 0.3 (just type the number of standard deviation (SD) without % and round up to second decimal places. For example, if your answer is 13.6789, enter 13.68) 6.2 AV Question 13 (5 points) panes 13. A company has a beta of...
This Question: 1 pt of 13 (4 This Quiz: 13 pts possi and standard deviation for the In a past election, the voter turnout was 79%, in a s numbers of voters in groups of 931. b. In the survey of 931 people, 693 said that they voted in the election. Is this result u kely to occur with a tumou of 79%? why or why not? c ased on these r results, does it appear that accurate voting results...
Question 13 1 pts A normal population has a meanu = 31 and standard deviation o8. What proportion of the population is less than 29? 1.0000 O 0.7517 O 0.5987 O 0.4013
Question 14 8 pts Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation o. Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation. College students' annual earnings: 98% confidence; n = 9, sample mean is $4121,s = $873 $531<o< $1708 $590 <o< $1672 $551<o<$1925 $687 <o< $1139
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