7.15 Latex allergy in health care workers. Health care work- NW ers who use latex gloves with glove powder may develop a latex allergy. Symptoms of a latex allergy include con- junctivitis, hand eczema, nasal congestion, a skin rash, and shortness of breath. Each in a sample of 46 hospital em- ployees who were diagnosed with latex allergy reported on their exposure to latex gloves (Current Allergy & Clinical Immunology, Mar. 2004). Summary statistics for the number of latex gloves used per week are x = 19.3 and s = 11.9. a. Give a point estimate for the average number of latex gloves used per week by all health care workers with a latex allergy... b. Form a 95% confidence interval for the average number of latex gloves used per week by all health care workers with a latex allergy. c. Give a practical interpretation of the interval you found in part b. d. Give the conditions required for the interval in part b to be valid.

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7.15 Latex allergy in health care workers. Health care work-
NW ers who use latex gloves with glove powder may develop
a latex allergy. Symptoms of a latex allergy include con-
junctivitis, hand eczema, nasal congestion, a skin rash, and
shortness of breath. Each in a sample of 46 hospital em-
ployees who were diagnosed with latex allergy reported
on their exposure to latex gloves (Current Allergy &
Clinical Immunology, Mar. 2004). Summary statistics for
the number of latex gloves used per week are x = 19.3 and
s = 11.9.
a. Give a point estimate for the average number of latex
gloves used per week by all health care workers with a
latex allergy...
b. Form a 95% confidence interval for the average number
of latex gloves used per week by all health care workers
with a latex allergy.
c. Give a practical interpretation of the interval you found
in part b.
d. Give the conditions required for the interval in part b
to be valid.
Transcribed Image Text:7.15 Latex allergy in health care workers. Health care work- NW ers who use latex gloves with glove powder may develop a latex allergy. Symptoms of a latex allergy include con- junctivitis, hand eczema, nasal congestion, a skin rash, and shortness of breath. Each in a sample of 46 hospital em- ployees who were diagnosed with latex allergy reported on their exposure to latex gloves (Current Allergy & Clinical Immunology, Mar. 2004). Summary statistics for the number of latex gloves used per week are x = 19.3 and s = 11.9. a. Give a point estimate for the average number of latex gloves used per week by all health care workers with a latex allergy... b. Form a 95% confidence interval for the average number of latex gloves used per week by all health care workers with a latex allergy. c. Give a practical interpretation of the interval you found in part b. d. Give the conditions required for the interval in part b to be valid.
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