UNDERSTANDABLE STATISTICS(LL)/ACCESS
12th Edition
ISBN: 9781337805094
Author: BRASE
Publisher: CENGAGE L
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Chapter 3, Problem 4CRP
a.
To determine
Find the mean,
b.
To determine
Find the sample standard deviation and range using MINITAB.
Find the value of coefficient of variation.
c.
To determine
Recommend radon mitigation in this house.
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"Radon: The Problem No One Wants to Face" is the title of an article appearing in Consumer Reports. Radon is a gas emitted from the ground that can collect in houses and buildings. At certain levels it can cause lung cancer. Radon concentrations are measured in picocuries per liter (pCi/L). A radon level of 4 pCi/L is considered "acceptable." Radon levels in a house vary from week to week. In one house, a sample of 8 weeks had the following readings for radon level (in pCi/L).
1.9
2.5
5.7
4.6
1.9
8.1
3.9
7
(a) Find the mean, median, and mode.
mean
median
mode
(b) Find the sample standard deviation, coefficient of variation, and range. (Round your standard deviation to four decimal places and your coefficient of variation to two decimal places.)
s
CV
%
range
(c) Based on the data, would you recommend radon mitigation in this house? Explain.
Yes, since the average and median values are both over "acceptable" ranges.
Yes, since the median value is over…
"Radon: The Problem No One Wants to Face" is the title of an article appearing in Consumer Reports. Radon is a gas emitted from the ground that can collect in houses and buildings. At certain levels it can cause lung cancer. Radon concentrations are measured in picocuries per liter (pCi/L). A radon level of 4 pCi/L is considered "acceptable." Radon levels in a house vary from week to week. In one house, a sample of 8 weeks had the following readings for radon level (in pCi/L).
1.9
2.5
5.7
5.5
1.9
8.3
3.9
6.9
(a) Find the mean, median, and mode. (Round your answers to two decimal places.)
mean
median
mode
(b) Find the sample standard deviation, coefficient of variation, and range. (Round your answers to two decimal places.)
s
CV
%
range
(c) Based on the data, would you recommend radon mitigation in this house? Explain.
Yes, since the average value is over "acceptable" ranges, although the median value is not.No, since the average and median values…
"Radon: The Problem No One Wants to Face" is the title of an article appearing in Consumer Reports. Radon is a gas emitted from the ground that
can collect in houses and buildings. At certain levels it can cause lung cancer. Radon concentrations are measured in picocuries per liter (pCi/L). A
radon level of 4 pCi/L is considered "acceptable." Radon levels in a house vary from week to week. In one house, a sample of 8 weeks had the
following readings for radon level (in pCi/L).
1.9 2.1 5.7 4.8 1.9 8.7 3.9 6.6
In USE SALT
(a) Find the mean, median, and mode.
mean
median
mode
(b) Find the sample standard deviation, coefficient of variation, and range. (Round your standard deviation to four decimal places and your
coefficient of variation to two decimal places.)
CV
%
range
(c) Based on the data, would you recommend radon mitigation in this house? Explain.
Yes, since the average and median values are both over "acceptable" ranges.
Yes, since the average value is over "acceptable" ranges,…
Chapter 3 Solutions
UNDERSTANDABLE STATISTICS(LL)/ACCESS
Ch. 3.1 - Statistical Literacy Consider the mode, median,...Ch. 3.1 - Prob. 2PCh. 3.1 - Prob. 3PCh. 3.1 - Prob. 4PCh. 3.1 - Prob. 5PCh. 3.1 - Basic Computation: Mean, Median, Mode Find the...Ch. 3.1 - Prob. 7PCh. 3.1 - Critical Thinking Consider a data set with at...Ch. 3.1 - Critical Thinking Consider a data set with at...Ch. 3.1 - Prob. 10P
Ch. 3.1 - Critical Thinking When a distribution is...Ch. 3.1 - Critical Thinking Consider the following types of...Ch. 3.1 - Critical Thinking Consider the numbers 2 3 4 5 5...Ch. 3.1 - Prob. 14PCh. 3.1 - Prob. 15PCh. 3.1 - Prob. 16PCh. 3.1 - Prob. 17PCh. 3.1 - Critical Thinking Consider a data set of 15...Ch. 3.1 - Prob. 19PCh. 3.1 - Prob. 20PCh. 3.1 - Prob. 21PCh. 3.1 - Football: Age of Professional Players How old are...Ch. 3.1 - Prob. 23PCh. 3.1 - Prob. 24PCh. 3.1 - Prob. 25PCh. 3.1 - Prob. 26PCh. 3.1 - Prob. 27PCh. 3.1 - Prob. 28PCh. 3.1 - Expand Your Knowledge: Harmonic Mean When data...Ch. 3.1 - Prob. 30PCh. 3.2 - Statistical Literacy Which averagemean, median, or...Ch. 3.2 - Statistical Literacy What is the relationship...Ch. 3.2 - Statistical Literacy When computing the standard...Ch. 3.2 - Prob. 4PCh. 3.2 - Prob. 5PCh. 3.2 - Basic Computation: Range, Standard Deviation...Ch. 3.2 - Critical Thinking For a given data set in which...Ch. 3.2 - Prob. 8PCh. 3.2 - Prob. 9PCh. 3.2 - Prob. 10PCh. 3.2 - Prob. 11PCh. 3.2 - Critical Thinking: Outliers One indicator of an...Ch. 3.2 - Prob. 13PCh. 3.2 - Basic Computation: Coefficient of Variation,...Ch. 3.2 - Prob. 15PCh. 3.2 - Prob. 16PCh. 3.2 - Space Shuttle: Epoxy Kevlar epoxy is a material...Ch. 3.2 - Prob. 18PCh. 3.2 - Prob. 19PCh. 3.2 - Prob. 20PCh. 3.2 - Prob. 21PCh. 3.2 - Prob. 22PCh. 3.2 - Prob. 23PCh. 3.2 - Prob. 24PCh. 3.2 - Prob. 25PCh. 3.2 - Prob. 26PCh. 3.2 - Brain Teaser: Sum of Squares If you like...Ch. 3.2 - Prob. 28PCh. 3.2 - Prob. 29PCh. 3.2 - Prob. 30PCh. 3.3 - Statistical Literacy Angela took a general...Ch. 3.3 - Prob. 2PCh. 3.3 - Prob. 3PCh. 3.3 - Prob. 4PCh. 3.3 - Prob. 5PCh. 3.3 - Basic Computation: Five-Number Summary,...Ch. 3.3 - Health Care: Nurses At Center Hospital there is...Ch. 3.3 - Prob. 8PCh. 3.3 - Prob. 9PCh. 3.3 - Sociology: High School Dropouts What percentage of...Ch. 3.3 - Auto Insurance: Interpret Graphs Consumer Reports...Ch. 3.3 - Prob. 12PCh. 3 - Prob. 1CRPCh. 3 - Critical Thinking Look at the two histograms...Ch. 3 - Critical Thinking Consider the following Minitab...Ch. 3 - Prob. 4CRPCh. 3 - Political Science: Georgia Democrats How...Ch. 3 - Grades: Weighted Average Professor Cramer...Ch. 3 - Prob. 7CRPCh. 3 - Agriculture: Harvest Weight of Maize The following...Ch. 3 - Prob. 9CRPCh. 3 - Agriculture: Bell Peppers The pathogen...Ch. 3 - Performance Rating: Weighted Average A performance...Ch. 3 - Prob. 1DHCh. 3 - Prob. 2DHCh. 3 - Prob. 1UTCh. 3 - Prob. 1CURPCh. 3 - Describe how the presence of possible outliers...Ch. 3 - Prob. 3CURPCh. 3 - Prob. 4CURPCh. 3 - Prob. 5CURPCh. 3 - Prob. 6CURPCh. 3 - Prob. 7CURPCh. 3 - In west Texas, water is extremely important. The...Ch. 3 - Prob. 9CURPCh. 3 - Prob. 10CURPCh. 3 - Prob. 11CURPCh. 3 - In west Texas, water is extremely important. The...Ch. 3 - Prob. 13CURPCh. 3 - Prob. 14CURPCh. 3 - Prob. 15CURPCh. 3 - In west Texas, water is extremely important. The...Ch. 3 - Prob. 17CURP
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