Homework Answers
Assuming that the Quanitity is stored in Column B of the excel. We can use the below formula to calculate the sample standard deviation of quantity sold per transaction. Type the below formula in any empty cell of the excel.
STDEV.S(B2:B101)
The answer after running this command is 35.64235.
In whole decimal, the answer is 36
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Please download the file final.xlsx and refer to Worksheet A. The standard deviation (assume that the...
Assume the mean number of taste buds from the general population is 10,000 with a standard...
Assume the mean number of taste buds from the general population is 10,000 with a standard deviation of 850. You take a sample of 10 top chefs and find the mean number of taste buds is 10,900. Assume that the number of taste buds in top chefs is a normally distributed variable and assume the standard deviation is the same as for the general population. (a) What is the point estimate for the mean number of taste buds for all...
3.2.33 Question Help Refer to the frequency distribution and find the standard deviation by using the...
3.2.33 Question Help Refer to the frequency distribution and find the standard deviation by using the formula Blood Platelet Count of Males (1000 cells/uL) Frequency 0-99 100-199 200-299 300-399 400-499 500-599 600-699 41 82 24 where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Compare this value with the standard deviation found using the original list of data values, 68.2 s-Π (1000 cells/uL) Round to one decimal place as...
Suppose the standard deviation of the market return is 15%. a. What is the standard deviation...
Suppose the standard deviation of the market return is 15%. a. What is the standard deviation of returns on a well-diversified portfolio with a beta of 8? (Enter your answer as a percent rounded to the nearest whole number) Standard deviation b. What is the standard deviation of returns on a well-diversified portfolio with a beta of 0? (Enter your answer as a percent rounded to the nearest whole number.) Standard deviation c. A well-diversified portfolio has a standard deviation...
the population standard deviation is 6.84 days, assuming a 95% confidence, what sample size would be...
the population standard deviation is 6.84 days, assuming a 95% confidence, what sample size would be required to obtain a margin of error of 2 days? (Remember to round up to the nearest whole number for sample size.)
please hightlight the answers The standard deviation of the market-index portfolio is 20%. Stock A has...
please hightlight the answers
The standard deviation of the market-index portfolio is 20%. Stock A has a beta of 2.50 and a residual standard deviation of 30%. a. Calculate the total variance for an increase of 0.25 in its beta. (Do not round intermediate calculations. Round your answer to the nearest whole number.) Total variance b. Calculate the total variance for an increase of 775% in its residual standard deviation (Do not round Intermediate calculations Round your answer to the...
Refer to the Scheer Industries example in Section 8.2. Use 6.87 days as a planning value for the population standard de...
Refer to the Scheer Industries example in Section 8.2. Use 6.87 days as a planning value for the population standard deviation. a. Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1.5 days (round up to the next whole number)? b. Assuming 90% confidence, what sample size would be required to obtain a margin of error of 2 days (round up to the next whole number)?
Download the attached data file. Use the data file to answer the questions 1 to 5...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Find the standard deviation, s, of sample data summarized in the frequency distribution table below by...
Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. SE [E (-x2)]- [68 - x))? n(n-1) Interval 30-36 44-50 Frequency 2 3 Standard deviation - (Round to one decimal place...
Refer to the frequency distribution and find the standard deviation by using the formula Blood Platelet...
Refer to the frequency distribution and find the standard deviation by using the formula Blood Platelet Count of Males (1000 cells/uL) Frequency 0-99 100-199 200-299 300-399 400-499 500-599 600-699 3 (f-x) where x n(n-1) 82 21 0 represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Compare this value with the standard deviation found using the original list of data values, 67.7
3.2.33 Question Help Refer to the frequency distribution and find the standard deviation by using the formula Blood Platelet Count of Males (1000 cells/uL) Frequency 0-99 100-199 200-299 300-399 400-499 500-599 600-699 41 82 24 where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Compare this value with the standard deviation found using the original list of data values, 68.2 s-Π (1000 cells/uL) Round to one decimal place as...
Suppose the standard deviation of the market return is 15%. a. What is the standard deviation of returns on a well-diversified portfolio with a beta of 8? (Enter your answer as a percent rounded to the nearest whole number) Standard deviation b. What is the standard deviation of returns on a well-diversified portfolio with a beta of 0? (Enter your answer as a percent rounded to the nearest whole number.) Standard deviation c. A well-diversified portfolio has a standard deviation...
please hightlight the answers
The standard deviation of the market-index portfolio is 20%. Stock A has a beta of 2.50 and a residual standard deviation of 30%. a. Calculate the total variance for an increase of 0.25 in its beta. (Do not round intermediate calculations. Round your answer to the nearest whole number.) Total variance b. Calculate the total variance for an increase of 775% in its residual standard deviation (Do not round Intermediate calculations Round your answer to the...
Refer to the Scheer Industries example in Section 8.2. Use 6.87 days as a planning value for the population standard deviation. a. Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1.5 days (round up to the next whole number)? b. Assuming 90% confidence, what sample size would be required to obtain a margin of error of 2 days (round up to the next whole number)?
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. SE [E (-x2)]- [68 - x))? n(n-1) Interval 30-36 44-50 Frequency 2 3 Standard deviation - (Round to one decimal place...
Refer to the frequency distribution and find the standard deviation by using the formula Blood Platelet Count of Males (1000 cells/uL) Frequency 0-99 100-199 200-299 300-399 400-499 500-599 600-699 3 (f-x) where x n(n-1) 82 21 0 represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Compare this value with the standard deviation found using the original list of data values, 67.7
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