Calculus and Above

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11. A human resource manager for a large company takes a
11. A human resource manager for a large company takes a random sample of 60 employees from the company database. Based on the sample she calculates a 95% confidence interval for the mean time of empl… read more
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4. In June 2005, a CBS News/NY Times poll asked a random
4. In June 2005, a CBS News/NY Times poll asked a random sample of 1,111 U.S. adults the following question: "What do you think is the most important problem facing this country today?" Roughly 19% of… read more
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Maria is planning to attend UCLA. She is curious what the
Maria is planning to attend UCLA. She is curious what the average age of UCLA students is. Since most students that attend UCLA are in their 20's yet there are also students up to 70years old, the pop… read more
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One research study of illegal drug use among​ 12- to​
One research study of illegal drug use among​ 12- to​ 17-year-olds reported a decrease in use​ (from 11.4% in​ 1997) to 9.8 9.8​% now. Suppose a survey in a large high school reveals​ that, in a rando… read more
Sandhya
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Are you familiar with statistics. Are you familiar with
GLENN GILONGOS
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Are you able to assist me on a hw problem? 25 independent
25 independent polls of 1000 random people each are taken during the course of an extremely close election campaign. People in the poll are asked which of the two candidates they favor and the percentage who favor the incumbent candidate are computed in each poll … read more
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I need to know how to solve these questions, as well as how
I need to know how to solve these questions, as well as how to do them on excel, formulas and all. Do students at your school study more than, less than, or about the same as students at other busines… read more
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This assignment requires reading Sullivans (2008) Essentials
This assignment requires reading Sullivan's (2008) Essentials of Biostatistics Work Book: Statistical Computing Using Excel, Chapters 8 & 9. Work should be completed in Excel with Chapter 8 work and a… read more
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NBC TV news, in a segment on the price of gasoline
1. NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is \$1.50 per gallon for self-serve regulate unleaded. A random sample of 35 stations in the … read more
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. Using the MM207 Student Data Set: a) What is the correlation
. Using the MM207 Student Data Set: a) What is the correlation between student cumulative GPA and the number of hours spent on school work each week? Be sure to include the computations or StatCrunch … read more
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The GPA of students in a large university follows a normal
The GPA of students in a large university follows a normal distribution with an average 3.05 and SD of 0.45. Find the chance that a student's GPA is greater than 3.5. Answer a. 95% b. 14.89% c. 68% d.… read more
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1.The lifetime of a particular component is normally distributed
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Chirag
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1. Classify the following studies as descriptive or inferential
1. Classify the following studies as descriptive or inferential and explain your reasons: a. (1 pts.) A study on stress concluded that more than half of all Americans older than 18 have at least “mode… read more
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1. Using the MM207 Student Data Set: a) What is the correlation
1. Using the MM207 Student Data Set: a) What is the correlation between student cumulative GPA and the number of hours spent on school work each week? Be sure to include the computations or StatCrunch… read more
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Question 1 For a cluster sample, the estimates of the halves
Question 1 For a cluster sample, the estimates of the halves came in at 58.75 and 58.35. Find the Standard Error. Answer a. 0.30 b. 110.6 c. 0.15 d. 0.20 e. 110.9 Question 3 A utility company serves 5… read more
Chirag
Master's Degree
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1. Using the MM207 Student Data Set: a) What is the correlation
1. Using the MM207 Student Data Set: a) What is the correlation between student cumulative GPA and the number of hours spent on school work each week? Be sure to include the computations or StatCrunch… read more
R.R. Jha
Bachelor's Degree
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Question 1 Assume youve administered a worker satisfaction
Question 1 Assume you've administered a worker satisfaction test to a random sample of 25 workers at your company. The test is purported to have a population standard deviation or σ of 4.50. The test … read more
Chirag
Master's Degree
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
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Master's Degree
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