A study of the records of 85,000 apartment units in a greater metropolitan area revealed the following data.Year20032006200220042005Average Rent, $13481336131213551308Find the average of the average rent for the 5 years in question. (Round your answer to the nearest whole number.)What is the standard deviation for these data? (Round your answer to two decimal places.)

Given data Year 2002 2003 2004 2005 2006 Average rent $ 1348 1336 1312 1308 1355

Answered: A study of the records of 85,000…

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...

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Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 58.1 degrees. Which of the following best describes the relationship between the computed mean and the actual mean? Low Temperature (◦F) 40−44 45−49 50−54 55−59 60−64 Frequency 2 6 11 6 3
Find the mean for the recorded exam scores (in points) from a statistics exam. Round the answer to one decimal place. 36 34 92 60 55 79 74 30 Mean = 21 39 11 64 88 67 53
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 86 10 83 10 98 10 98 40 89 30
What was the age distribution of prehistoric Native Americans? Extensive anthropological studies in the southwestern United States gave the following information about prehistoric extended family group of 96 members on what is now a Native American reservation. For this community, estimate the mean age expressed in years, the sample variance, and the sample standard deviation. For the class 31 and over, use 35.5 as the class midpoint. (Round your answer to one decimal place.) Average range(years) 1-10 11-20 21-30 31 and over # of individuals 36 22 24 14 Mean=S2= S=
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(See photo) The data set on the left represents the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the data set on the right represents the annual rate of return (in percent) of eight randomly sampled stock mutual funds. What proportion of the observations is within one standard deviation of the mean for each data set?
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What was the age distribution of prehistoric Native Americans? Extensive anthropological studies in the southwestern United States gave the following information about prehistoric extended family group of 85 members on what is now a Native American reservation. For this community, estimate the mean age expressed in years, the sample variance, and the sample standard deviation. For the class 31 and over, use 35.5 as the class midpoint. (Round your answer to one decimal place.) Average range(years) 1-10 11-20 21-30 31 and over # of individuals 35 23 16 11 Mean=S2= S=
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Using your calculator, find the range and standard deviation, round to two decimals places:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 90 50 46 31 52 83 51 90 72 47 25 57 53 62 65 89 35 49 32 21 77 30 91 13 Range = Standard Deviation =
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Recently, a random sample of 13–18 year olds was asked, "How much do you currently have in savings?" The data in the table represent the responses to the survey. Approximate the mean and standard deviation amount of savings. LOADING... Click the icon to view the frequency distribution for the amount of savings. Savings Frequency $0– $199 343 $200– $399 94 $400– $599 62 $600– $799 21 $800– $999 9 $1000– $1199 5 $1200– $1399 3 The sample mean amount of savings is $nothing. (Round to the nearest dollar as needed.) The sample standard deviation is $nothing. (Round to the nearest dollar as needed.)

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