Question

In: Statistics and Probability

Problem 4:  Refer to the following distribution and find:             Cost of Textbooks                &

Problem 4:  Refer to the following distribution and find:

            Cost of Textbooks                                                   Number

                $25   up to     $35                                                   2

                  35   up to       45                                                   5

                  45   up to       55                                                   7

                  55   up to       65                                                 20

                  65   up to       75                                                 16

a.  The Range?      

b. The standard deviation?  

  1. Determine the Mean, Mode, Median?
  2. Boxplot and describe skewness?                                                  
  3. Are there any outliers?

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

Problem 5-4: In a binomial distribution, n = 12 and π = .60. Find the following...
Problem 5-4: In a binomial distribution, n = 12 and π = .60. Find the following probabilities. x = 5. x ≤ 5. x ≥ 6. Assume a binomial distribution where n = 5 and π = .30. Determine the mean and standard deviation of the distribution from the general definitions of the formulas or template.
Problem 3.Refer to the following information on the return distribution for two assets in which you...
Problem 3.Refer to the following information on the return distribution for two assets in which you are contemplating to invest in; State of Economy Probability that the state of economy occurs Return if the state occurs              Asset AA Return if the state occurs              Asset BB BOOM 10% 40% 60% AVERAGE 40% 20% 30% BELOW AVERAGE 20% 20% 10% POOR 30% -20% -30% In addition to the above return distribution the two assets (AA& BB) operate in different industries...
Refer to the frequency distribution in the given exercise and find the standard deviation1) Blood Platelet...
Refer to the frequency distribution in the given exercise and find the standard deviation1) Blood Platelet Count of Females Frequency 100 - 199, 25 200 - 299, 92 300 - 399, 28 400 - 4990 0 500 - 599, 2
Exercise 4. A publisher for textbooks has a total cost of TC(Q) = 25,000 − 50Q...
Exercise 4. A publisher for textbooks has a total cost of TC(Q) = 25,000 − 50Q + 15Q^2. a) Find the publisher’s marginal cost, average cost, average variable cost, and average fixed cost. b) Find the value of Q for where the marginal cost curve crosses the average cost curve and average variable cost curve. c) Find the output elasticity ε_TC,Q
The distribution of the amount of money spent by students on textbooks in a semester is...
The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of 349 and a standard deviation of 24. According to the standard deviation rule, approximately 95% of the students spent between _____$ and _____$ on textbooks in a semester. Question 12 Type numbers in the boxes. 1 points The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard...
The distribution of the amount of money spent by students on textbooks in a semester is...
The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of 349 and a standard deviation of 24. According to the standard deviation rule, approximately 95% of the students spent between ____$ and ____$ on textbooks in a semester. Question 12 Type numbers in the boxes. 1 points The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard...
Question 10: The distribution of the amount of money spent by students on textbooks in a...
Question 10: The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of 494 and a standard deviation of 39. According to the standard deviation rule, approximately 68% of the students spent between $_____ and $ ______ on textbooks in a semester. Question 11: The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 16. According...
Problem 3. The following project is at the end of its 6th week. Find the cost...
Problem 3. The following project is at the end of its 6th week. Find the cost and schedule variances. Also, find the CPI and SPI. Then find the critical ratio of the project using earned value calculations. Finally, calculate the EAC for the project by at least two different methods. Activity Predecessor Duration (wks) Budget at Completion    ($) Actual Cost ($) % Complete a - 2 300 400 100 b a 3 200 250 100 c b 3 300 300...
Suppose the length of textbooks in a library follows a bimodal distribution with a little right...
Suppose the length of textbooks in a library follows a bimodal distribution with a little right skewness (very mild). The mean of this distribution is 512 pages with a standard deviation of 390 pages. For each of the following i) draw a picture. ii) label the picture with 2 axes (underneath). iii) label the shorthand for the new distribution. iv) Find the z-score. v) Find the answer.   a1) What is the probability that a random sample of 36 textbooks has...
Suppose the length of textbooks in a library follows a bimodal distribution with a little right...
Suppose the length of textbooks in a library follows a bimodal distribution with a little right skewness (very mild). The mean of this distribution is 512 pages with a standard deviation of 390 pages. For each of the following i) draw a picture. ii) label the picture with 2 axes (underneath). iii) label the shorthand for the new distribution. iv) Find the z-score. v) Find the answer.   a1) What is the probability that a random sample of 36 textbooks has...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT