Statistics Homework Answers & Questions

Answered Critical Thinking 6
Option 1: Springdale Shopping Survey Instructions The major shopping areas in the community of Springdale include Springdale Mall, West Mall, and the downtown area on Main Street. A telephone survey has been conducted to identify strengths and weaknesses of these areas and to find out how they fit i...
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Answered Critical Thinking 3
Instructions The major shopping areas in the community of Springdale include Springdale Mall, West Mall, and the downtown area on Main Street. A telephone survey has been conducted to identify strengths and weaknesses of these areas and to find out how they fit into the shopping activities of local...
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Answered Critical Thinking 2
Option 1: Springdale Shopping Survey Instructions The major shopping areas in the community of Springdale include Springdale Mall, West Mall, and the downtown area on Main Street. A telephone survey has been conducted to identify strengths and weaknesses of these areas and to find out how they fit i...
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Answered In the 1960s, data were collected on the weights
In the 1960s, data were collected on the weights of people to determine the safe passenger capacity of aircraft. Using a random sample the mean weight was found to be 166.3 lbs. In recent decades, the mean weight of the population has increased considerably, so we need to update our estimate of that...
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Answered A golf ball manufacturer desires to compare the d
A golf ball manufacturer desires to compare the distance traveled by golf balls using four unique designs. Fifteen balls were manufactured and each was brought to the local golf course for testing by the local pro. The order of the golf balls hit by the professional was randomized so the pro did not...
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Answered The percentage of people in a population with a c
The percentage of people in a population with a certain ailment (Ailment A) is 15%. A. If you select a sample of 10 people from this population, what is the probability at least half of them have Ailment A? B. What is the probability at most 3 of them would have this ailment? C. If you select a sa...
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Waiting for answer The cost of 14 models of digitals cameras at a ca
The cost of 14 models of digitals cameras at a camera specialty store during 2014 was as follows: 340 450 450 280 220 340 290 370 400 310 340 430 270 380 1. Compute mean, median, mode, first and third quartile. 2. Compute the variance, standard deviation, range, interquartile range, coefficient of...
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Answered Confidence interval for proportion
A survey showed that 80% of the 1600 adult respondents believe in global warming. Construct a 95% confidence interval estimate of the proportion of adults believing in global warming.
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Answered The following data represent glucose blood levels
The following data represent glucose blood levels(mg/100 ml) after a 12 hour fast for a random sample of 70 women. Use six classes and determine the class width. (Enter the number only. Do not include any other text.) 45, 66, 83, 71, 76, 64, 59, 59 76, 82, 80, 81, 85, 77, 82, 90 87, 72, 79, 69, 83,...
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Waiting for answer An extended warranty is a prolonged warranty offe
An extended warranty is a prolonged warranty offered to consumers by the warranty administrator, the retailer, or the manufacturer. A recent report in The New York Times (November 23, 2009) suggests that 20.4% of laptops fail over three years. Roberto D'Angelo is interested in an extended warranty f...
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Answered State STAT 200 Multiple Choice Question
1.The data summary used to calculate the pvalue in order to decide between the null hypothesis and the alternative hypothesis is called aA) test statistic.B) statistically significant result.C) significance level.D) pvalue. 2. Determine if the statement is a typical null hypothesis (Ho) or alterna...
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Answered PSY870 Multivariate Statistics
A cancer specialist from the Los Angeles County General Hospital (LACGH) rated patient optimism in 20 to 40yearold male patients with incurable cancer in 1970. In 1990, the researcher examined hospital records to gather the following data: Socioeconomic status (1–7 rating of occupation; higher r...
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Answered statistics homework
I. Answer T (true) or F (false). For a normally distributed population of heights of 10,000 women, m = 63 inches and s = 5 inches. The number of heights in the population that fall between 66 and 68 inches is 1156. 2. In a normal distribution, approximately 91.31% of the area under...
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Answered test value
An advertising agency wants to compare the use of humor in television ads for the U.S. and England. A random sample of 400 ads in England finds that 142 use humor. A sample of 500 ads in the U.S. finds that 149 use humor. Test the claim that the proportion in England is not equal to the proportion i...
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Waiting for answer statistics assignement
Using the data presented in Australian Bureau of Statistics (ABS) Issue 6523.0 Household Income and Wealth, Australia, 201314, write a report commenting on income and wealth distribution in Australia in light of CST Preferential Option for the Poor and Vulnerable. Your report should detail current...
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Answered Stats question
The math department lunch is in March, but i forgot which day, so i asked around. Denise said that the date was an odd number; Kristell claimed it was greater than 13. wanda declared it was not a perfect square, while Linda swore it was a perfect cube. Finally, Anthony told me the date was less than...
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Answered Stats help!
Locate the results of a recent survey that shows at least two variables in a newspaper, magazine, or internet article. Outline the survey data so that your peers can understand the variables and results, and then identify at least one key formula from this module that you could use to evaluate the d...
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Answered Choose a company of your liking
Students will choose a company of their liking and use any of the 2 (qualitative or quantitative) research and analysis methods to demonstrate selected perceptions (approved by the faculty) of the company. This project requires you to research, review, and analyze perceptions of the company. Specifi...
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Answered Sampling and Data Collection Plan
Need help with this assignment, just can't grasp this class Sampling and Data Collection Plan art 1: Sampling Design Write a 350 to 700word paper usingthe scenario and two variables your learning team developed for the Week 2 Business Research Project Part 1 assignment, in which the goal is to su...
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