7.2.11 Like hurricanes and earthquakes, geomagnetic storms are natural hazards with possible severe impact on the earth. Severe storms can cause communication and utility breakdowns, lead- ing to possible blackouts. The National Oceanic and Atmospheric Administration beams electron and proton flux data in various energy ranges to various stations on the earth to help forecast pos- sible disturbances. The following are 25 readings of proton flux in the 47-68 KEV range (units are in p/(cm2-sec-ster-MeV)) on the evening of December 28, 2011: 2310 2320 2010 10800 2190 3360 5640 2540 3360 11800 2010 3430 10600 7370 2160 3200 2020 2850 3500 10200 8550 9500 2260 7730 2250 a. Find a point estimate of the mean proton flux in this time period. b. Find a point estimate of the standard deviation of the pro- ton flux in this time period. c. Find an estimate of the standard error of the estimate in part (a). d. Find a point estimate for the median proton flux in this time period. e. Find a point estimate for the proportion of readings that are less than 5000 p/(cm2-sec-ster-MeV).
7.2.11 Like hurricanes and earthquakes, geomagnetic storms are natural hazards with possible severe impact on the earth. Severe storms can cause communication and utility breakdowns, lead- ing to possible blackouts. The National Oceanic and Atmospheric Administration beams electron and proton flux data in various energy ranges to various stations on the earth to help forecast pos- sible disturbances. The following are 25 readings of proton flux in the 47-68 KEV range (units are in p/(cm2-sec-ster-MeV)) on the evening of December 28, 2011: 2310 2320 2010 10800 2190 3360 5640 2540 3360 11800 2010 3430 10600 7370 2160 3200 2020 2850 3500 10200 8550 9500 2260 7730 2250 a. Find a point estimate of the mean proton flux in this time period. b. Find a point estimate of the standard deviation of the pro- ton flux in this time period. c. Find an estimate of the standard error of the estimate in part (a). d. Find a point estimate for the median proton flux in this time period. e. Find a point estimate for the proportion of readings that are less than 5000 p/(cm2-sec-ster-MeV).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 3BGP
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Answer question 7.2.11. stepwise please

Transcribed Image Text:7.2.11 Like hurricanes and earthquakes, geomagnetic storms are
natural hazards with possible severe impact on the earth. Severe
storms can cause communication and utility breakdowns, lead-
ing to possible blackouts. The National Oceanic and Atmospheric
Administration beams electron and proton flux data in various
energy ranges to various stations on the earth to help forecast pos-
sible disturbances. The following are 25 readings of proton flux
in the 47-68 KEV range (units are in p/(cm2-sec-ster-MeV)) on
the evening of December 28, 2011:
2310 2320 2010 10800 2190 3360 5640 2540 3360 11800 2010
3430 10600 7370 2160 3200 2020 2850 3500 10200 8550 9500
2260 7730 2250
a. Find a point estimate of the mean proton flux in this time
period.
b. Find a point estimate of the standard deviation of the pro-
ton flux in this time period.
c. Find an estimate of the standard error of the estimate in
part (a).
d. Find a point estimate for the median proton flux in this
time period.
e. Find a point estimate for the proportion of readings that
are less than 5000 p/(cm2-sec-ster-MeV).
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