Calculus and Above

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What is the sample standard deviation for strength in
What is the sample standard deviation for strength in concrete (psi) 3920​, 4060​, 3300​, 3200​, 2930​, 3820​, 4060​, 4040. The range is 1130 psi. Please help with s=___(psi)… read more
Bachelor of Education
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What is the sample standard deviation for strength in
What is the sample standard deviation for strength in concrete (psi) 2960 3200 3300 3830 3920 4010 4140 4140. The range is 1180 psi. Please help with s=__(psi) Assistant: Thanks. Can you give me any m… read more
Aleksander Zujev
PhD
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A spring has a nonlinear force law such that the force
A spring has a nonlinear force law such that the force necessary to compress the spring is given by: F=k'(e^(ax)-1) where k' = 200 N is a constant, α = 1.0 m−1 and x is the distance measured from the … read more
Ryan
Bachelor's Degree
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222mk, 27. In a study of memory recall, 5 people were given 10 minutes
27. In a study of memory recall, 5 people were given 10 minutes to memorize a list of 20 words. Each was asked to list as many of the words as he or she could remember both 1 hour and 24 hours later. … read more
Mr. Gregory White
Master's Degree
Master's Degree
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1. Enrollment in a particular class for the last four
1. Enrollment in a particular class for the last four semesters has been 122, 128, 100, and 155 (listed from oldest to most recent). The best forecast of enrollment next semester, based on a three-sem… read more
Ryan
Bachelor's Degree
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1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
Stevewh
Teacher
Bachelor's Degree
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For Ryan, Please note the due date at the top of each section.
For Ryan, Please note the due date at the top of each section. I need you to complete some problems from chapter 6 and 7. I have taken screenshots of the problems so please complete them asap. http://… read more
Stevewh
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A population of peer ratings of physical attractiveness is
A population of peer ratings of physical attractiveness is approximately normal with µ = 5.2 and ơ = 1.6. A random sample of four ratings is selected from this population. (a) Calculate ơx. What is th… read more
Stevewh
Teacher
Bachelor's Degree
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Identify each of the following as examples of nominal, ordinal,
Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. (4 points each) 1.A poll of registered voters in Florida asking which candidate they support 2… read more
SusanAthena
Master's Degree
Master's Degree
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1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
Math-John
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Hello, I would like someone to help me with the tasks below.
Hello, I would like someone to help me with the tasks below. Its quite urgent. The deadline is 17th in the evening us time. Thank you so much in advance. Anyone? (program recomended STATA) The followi… read more
Trigeoscal
College Math Professor
Master's Degree
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Could you please help me with a few questions regarding a bio-statistics course I need answered. Thanks The following tables show the crude and sex-specific results from a Prospective Cohort Study tha… read more
Trigeoscal
College Math Professor
Master's Degree
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Consider a sample data set with the summary statistics s=53,QL=
Consider a sample data set with the summary statistics s=53,QL= 75, and QU= 178. a. Calculate IQR. b. Calculat IOR/s. c. Is the value of IQR/s approximately equal to 1.3? What does this imply? a.IQR =… read more
Math-John
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19) A discrete variable A. is an example of a qualitative
19) A discrete variable A. is an example of a qualitative variable B. can assume only whole number values C. can assume only certain clearly separated values D. cannot be negative 20) A nominal scale … read more
Sandhya_sharma
Master's Degree
3,984 satisfied customers
Helllo my question for Business statistics is The area under
Helllo my question for Business statistics is The area under the normal curve between z = 0 and z = 1 is ___ the area under the normal curve between z = 1 and z = 2 The choices are 1) less than 2) gre… read more
SusanAthena
Master's Degree
Master's Degree
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1.) Suppose a expierment has 5 equally likley outcomes: E1.
1.) Suppose a expierment has 5 equally likley outcomes: E1. E2, E3, E4, E5. Assign probabilities to each outcome. What method did you use? 7.) A decesion maker subjectively assigned the following prob… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
For Susan AthenaHow much of the money taken in by companies
For Susan Athena How much of the money taken in by companies is kept for profit? The following data gives the profits expressed as percentages of total revenue for a sample of white-goods manufacturer… read more
SusanAthena
Master's Degree
Master's Degree
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Hello, I am working on a medical research project and had a
Hello, I am working on a medical research project and had a few questions regarding how to interpret statistical data using descriptive terminology: 1. Supposing Group A has a RELATIVE RISK of 1.25 of… read more
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