The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities A normal probability plot suggests the data could come from a population that is normaly distributed A boxplot indicates there are no outiers Complete parts (a) through (c) below 68 23 78.27 67 71 83 72 80 87 06 42 100.45 97.77a (a) Determine a point estimate for the population mean travel tax A point estimate for the population mean travel tax is S (Round to two decimal places as needed) (b) Construct and interpret a 90% confidence interval for the mean tax paid for a three-day business trip Select the correct choice below and fil in the answer boxes to complete your choice (Round to two decimal places as needed) OA One can be % confident that all cities have a travel tax between S and $ OB One can be %confident that the mean travel tax for all cities is behveen S and $ OC. There is a % probability that the mean fravel ta for all cities is betveen S and 5 OD The travel ta is between s % of all cites and 5 for

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The accompanying data represent the total travel tax (in dollars) for a 3day business trip in 8 randomly selected cities A normal probability plot suggests the data could come
from a population that is normaly distributed A boxplot indicates there are no outiers Complete parts (a) through (c) below
68 23
78.27
67.71
83 72 80 87
86 42 100 45 97.77
(a) Determine a point estimate for the population mean travel tax
A point estimate for the population mean travel tax is S
(Round to two decimal places as needed)
(b) Construct and interpret a 90% confidence interval for the mean tax paid for a three-day business trip Select the correct choice below and fil in the answer boxes to complete
your choice
(Round to two decimal places as needed)
OA One can be
% confident that all cities have a travel tax between S
and $
OB One can be
%confident that the mean travel tax for all cities is behveen S
and $
OC. There is a
% probability that the mean travel ta for all cities is betveen S
and 5
OD. The travel tax is between s
% of all cites
and 5
for
Transcribed Image Text:The accompanying data represent the total travel tax (in dollars) for a 3day business trip in 8 randomly selected cities A normal probability plot suggests the data could come from a population that is normaly distributed A boxplot indicates there are no outiers Complete parts (a) through (c) below 68 23 78.27 67.71 83 72 80 87 86 42 100 45 97.77 (a) Determine a point estimate for the population mean travel tax A point estimate for the population mean travel tax is S (Round to two decimal places as needed) (b) Construct and interpret a 90% confidence interval for the mean tax paid for a three-day business trip Select the correct choice below and fil in the answer boxes to complete your choice (Round to two decimal places as needed) OA One can be % confident that all cities have a travel tax between S and $ OB One can be %confident that the mean travel tax for all cities is behveen S and $ OC. There is a % probability that the mean travel ta for all cities is betveen S and 5 OD. The travel tax is between s % of all cites and 5 for
(e) What would you recommend to a researcher who wants to increase the precision of the interval but does not have access to additional data?
The researcher could
the
Statcrunch
Transcribed Image Text:(e) What would you recommend to a researcher who wants to increase the precision of the interval but does not have access to additional data? The researcher could the Statcrunch
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