Find mean and standard deviation of the sample of size
The means of two samples of size 50 and 100 respectively are 54·4 & 50·3 and the standard deviations are 8 & 7. Obtain the mean and standard deviation of the sample of size 150 obtained by combining the two samples.
Now Priced at $5 (50% Discount)
Recommended (94%)
Rated (4.6/5)
Aussie Yarn Co. is a U.S. producer of woolen yarn made from wool imported from Australia. Raw wool is processed, spun, and finished before being shipped out to knitting and weaving companies.
A soap bubble with walls 398 thick floats in air. If this bubble is illuminated perpendicularly with sunlight, what wavelength of visible light will be absent in the reflected light? Assume that the index of refraction of the soap film is 1.33.
The company is considering a purchase of equipment that would reduce its direct labor costs by $114,088 and would change its manufacturing overhead costs to 30% variable and 70% .
Calculate the average annual dividend per share for each class of stock for the six-year period. If required, round your answers to two decimal places.
The standard deviations are 8 & 7. Obtain the mean and standard deviation of the sample of size 150 obtained by combining the two samples.
Santana Rey created Business Solutions on October 1, 2011. The company has been successful, and Santana plans to expand her business. She believes that an additional $86,000 is needed and is investigating three funding sources.
A pump discharges a liquid into a drum aat the rate of 0.032 m3/s. the drum,1.5 m in dia and 4.2m in length, can hold 3000 kg of the liquid. Find the density of the liquid and mass flow rate of the liquid handled by the pump.
On January 1, 2011, Walter Scott Co. leased machinery under a 6-year lease. The machinery has a 9-year economic life. The present value of the monthly lease payments is determined to be 85% of the machinery's fair value.
What business risks does Dell face that threaten its ability to satisfy stockholder expectations? What are some examples of control activities that the company could use to reduce these risks?
1944015
Questions Asked
3,689
Active Tutors
1448706
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which of the following disorders is caused by a fungal infection that usually involves the skin of the toes and soles?
Problem: A nurse on the pediatric unit is caring for a group of preschool children. Which situation takes priority?
What are the nursing responsibilities or nursing implications before, during, and after administering anti-infective medications?
The documentation stated that a laparoscopic umbilical hernia repair was completed. The notes state, "Supraumbilical curvilinear incision
Question: What are the 8 principles taught in the Open the Door to Tai Chi system?
Question: Which name for a drug indicates its chemical content? Question Answer a. generic name b. brand name c. chemical name d. scientific name
A nurse is reluctant to provide care at an accident scene. Which legal definition is true regarding the provision of nursing care?