A school with an enrollment of 9,925 would be how many standard deviations away from the mean? A survey of enrollment at 35 community colleges across the United States yielded the following figurest.6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493;2771; 2861; 1263; 7285; 28165; 5080; 11622Part (a)Part (b)Part (c)Part (d)Part (e)Part (1)A school with an enrollment of 9,925 would be how many standard deviations away from the mean? (Round your answer to two decimal places.)0.35x standard deviations

Given: Let x be the enrollment at 35 community colleges across the United States. Sample size(n)=35…

Answered: A survey of enrollment at 35 community…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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A survey of enrollment at 35 community colleges across the United States yielded the following figures:6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681;3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 a. Organize the data into a chart with five intervals of equal width. Label the two columns "Enrollment" and"Frequency."b. Construct a histogram of the data.c. If you were to build a new community college, which piece of information would be more valuable: the mode orthe mean?d. Calculate the sample mean.e. Calculate the sample standard deviation.f. A school with an enrollment of 8000 would be how many standard deviations away from the mean?Use the following information to answer the next two exercises. X = the number of days per week that 100 clients use a particular exercise facility. x Frequency0 31…
A survey of enrollment at 35 community colleges across the United States yielded the following figures†. 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 A school with an enrollment of 22,900 would be how many standard deviations away from the mean? (Round your answer to two decimal places.)
A survey of enrollment at 35 community colleges across the United States yielded the following figures†. 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 Calculate the sample standard deviation. (Round your answer to one decimal place.)
A survey of enrollment at 35 community colleges across the United States yielded the following figures†. 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 Calculate the sample mean. (Round your answer to one decimal place.)
A survey of enrollment at 35 Universities yielded the following: 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 Organize the data into intervals of equal width. Label the two columns "Enrollment" and "Frequency." Construct a histogram of the data. If you were to build a new community college, which piece of information would be more valuable: the mode or the mean? Calculate the sample mean. Calculate the sample standard deviation. Find the quartiles and construct a box plot Is there any outlier?
The average consumer unit spent $1874 on apparel and services in2006.That same year, 25 consumer units in the North-east had the following annual expenditures, in dollars, on apparel and services 1417, 1595, 2158, 1820, 1411, 2361, 2371, 2330, 1749, 1872, 2826, 2167, 2304, 1998, 2582, 1982, 1903, 2405, 1660, 2150, 2128, 1889, 2251, 2340, 1850 At the 5% signiﬁcance level, do the data provide sufﬁcient evidence to conclude that the 2006 mean annual expenditure on apparel and services for consumer units in the Northeast differed from the national mean of $1874?
The following table gives the 2012 total payroll (in millions of dollars) and the percentage of games won during the 2012 season by each of the National League baseball teams. Total Payroll Тeam (millions of dollars) Runs Scored Arizona Diamondbacks 83 46 Atlanta Braves 89 35 Chicago Cubs 110 57 Cincinnati Reds 11 34 Colorado Rockies 93 39 Los Angeles Dodgers 264 51 Miami Marlins 59 38 Milwaukee Brewers 99 39 New York Mets 95 53 Philadelphia Phillies 127 33 Pittsburgh Pirates 82 58 San Diego Padres 92 40 San Francisco Giants 164 46 St. Louis Cardinals 112 59 Washington Nationals 156 45 The least squares regression line is u = 41.073 + 0.033x, where.x =total payroll (in millions of dollars) and y = percentage of games won. Predict the percentage of games won by a team with a total payroll of $87 million. Round your answer to the nearest integer.
USA Today published the weekday circulation numbers for the top 15 newspapers in the country. Here are the data for the 6-month period ending in March 31, 2006. 2,272,815 2,149.786 1,141.464 751.832 724,242 708,477 673,379 579,079 513,387 438,722 427.771 398.329 398,246 397.288 365,011 a) Calculate the mean of this data set. Round to the nearest newspaper. b) Calculate the median of the data set of this data set. Round to the nearest newspaper. c) Which measure of center, the mean or the median, would better describe the center of the data set? Justify vour answer! .... B I S I X, x² Insert Formula
The Los Angeles City Controller's office calculated that in 2013, the city employed 47030 full-time employees and 10142 part-time employees. Assume that an outside advocacy group had been lobbying the Mayor's office to convert part-time workers into full-time workers throughout 2014. The Controller's office makes its calculations annually. Suppose that the outside advocacy group wanted to know the proportion of city employees (excluding per-event employees) who are full-time employees p in June 2014 to gauge if their lobbying efforts had been effective. Suppose that the group surveyed a random sample of 1000 city employees (excluding per-event employees) in June 2014 and found that 845 were full-time employees and 155 were part-time employees. If the advocacy group planned to use a one-sample z-test for a proportion to test their lobbying eforts, the appropriate null hypothesis would be and the appropriate alternative hypothesis would be
The term "snowstorms of note" applies to all snowfalls over 16 6 inches. The snowfall amounts for snowstorms of note in Utica, New York, over a four-year period are as follows: 7.1, 9.2, 8.0, 6.1, 14.4, 8.5, 6.1, 6.8, 7.7, 21.5, 6.7, 9.0, 8.4, 7.0, 11.5, 14.1, 9.5, 8.6 What are the mean and population standard deviation for these data, to the nearest hundredth? A mean = 9.46; standard deviation 3.74 B mean = 9.46; standard deviation = 3.85 C mean = 9.45; standard deviation =D3.74 D mean = 9.45; standard deviation 3.85 021 EducAide Sofware Inc. All rights reserved.
A= {1.6, 2.4, 1.8, 2.3, 1.9, 1.6, 2.0, 3.1, 3.8, 4.1, 4.0, 4.5, 3.2, 4.8, 3.6, 4.6, 3.8, 3.2, 4.0, 6.2, 7.6, 8.2, 8.0, 9.0}B= {10.8, 9.7, 6.1, 8.1, 8.3, 8.5, 8.5, 9.2, 9.1, 9.1, 7.2, 6.3, 9.8, 8.7, 5.1, 7.1, 7.3, 7.5, 7.5, 8.2, 8.1, 8.1, 6.2, 5.3}4. A= {76, 83, 54, 43, 44, 44, 103, 99, 94, 84, 76, 83, 54, 43, 44, 44, 103, 99, 94, 84}B= {8, 12, 14, 11, 11, 15, 9, 21, 25, 27, 4, 6, 7, 5, 5, 7, 4, 10, 12, 13}
The United States Census Bureau provided the following estimates and predictions for the total world population: Year Population 1950 2,556,518,868 1960 3,040,617,514 1970 3,707,921,742 1980 4,447,068,714 1990 5,274,320,491 2000 6,073,265,234 2010 6,838,220,183 2020 7,608,075,253 2030 8,295,925,812 2040 8,897,180,403 2050 9,404,296,384 (a) Let t = 0 correspond to 1950 and plot the data in the viewing window [−10 ≤ x ≤ 110, 10] by [0 ≤ y ≤ 1010 , 109 ]

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