(a) A random sample of 10 houses in a particular area, each of which is heated with natural gas, is selected and the amount of gas (therms) used during the month of January is determined for each house. The resulting observations are 109, 151, 144, 125, 86, 122, 99, 118, 103, 138. Let u denote the average gas usage during January by all houses in this area. Compute a point estimate of μ. therms (b) Suppose there are 22,000 houses in this area that use natural gas for heating. Let T denote the total amount of gas used by all of these houses during January. Estimate using the data of part (a). therms What estimator did you use in computing your estimate? Os Os/x Ox O nx Op (c) Use the data in part (a) to estimate p, the proportion of all houses that used at least 100 therms. (d) Give a point estimate of the population median usage (the middle value in the population of all houses) based on the sample of part (a). therms What estimator did you use? OX Ox Os/x Op Os
(a) A random sample of 10 houses in a particular area, each of which is heated with natural gas, is selected and the amount of gas (therms) used during the month of January is determined for each house. The resulting observations are 109, 151, 144, 125, 86, 122, 99, 118, 103, 138. Let u denote the average gas usage during January by all houses in this area. Compute a point estimate of μ. therms (b) Suppose there are 22,000 houses in this area that use natural gas for heating. Let T denote the total amount of gas used by all of these houses during January. Estimate using the data of part (a). therms What estimator did you use in computing your estimate? Os Os/x Ox O nx Op (c) Use the data in part (a) to estimate p, the proportion of all houses that used at least 100 therms. (d) Give a point estimate of the population median usage (the middle value in the population of all houses) based on the sample of part (a). therms What estimator did you use? OX Ox Os/x Op Os
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
Transcribed Image Text:(a) A random sample of 10 houses in a particular area, each of which is heated with natural gas, is selected and the amount of gas (therms) used during the month of January is determined for each house. The resulting
observations are 109, 151, 144, 125, 86, 122, 99, 118, 103, 138. Let u denote the average gas usage during January by all houses in this area. Compute a point estimate of μ.
therms
(b) Suppose there are 22,000 houses in this area that use natural gas for heating. Let T denote the total amount of gas used by all of these houses during January. Estimate T using the data of part (a).
therms
What estimator did you use in computing your estimate?
Os
Os/x
O X
O nx
O p
(c) Use the data in part (a) to estimate p, the proportion of all houses that used at least 100 therms.
(d) Give a point estimate of the population median usage (the middle value in the population of all houses) based on the sample of part (a).
therms
What estimator did you use?
O x
Ox
Os/x
O p
O s
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 12 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON