Question
In: Statistics and Probability
Do teachers find their work rewarding and satisfying? An article reports the results of a survey...
Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 397 elementary school teachers and 261 high school teachers. Of the elementary school teachers, 223 said they were very satisfied with their jobs, whereas 121 of the high school teachers were very satisfied with their work. Estimate the difference between the proportion of all elementary school teachers who are satisfied and all high school teachers who are satisfied by calculating a 95% CI. (Use pelementary − phigh school. Round your answers to four decimal places.)
Interpret your 95% confidence interval.
Solutions
orchestra answered 1 year agoRelated Solutions
Do teachers find their work rewarding and satisfying? An article reports the results of a survey...
Do teachers find their work rewarding and satisfying? An article
reports the results of a survey of 397 elementary school teachers
and 268 high school teachers. Of the elementary school teachers,
225 said they were very satisfied with their jobs, whereas 129 of
the high school teachers were very satisfied with their work.
Estimate the difference between the proportion of all elementary
school teachers who are satisfied and all high school teachers who
are satisfied by calculating a 95% CI....
Do teachers find their work rewarding and satisfying? An article reports the results of a survey...
Do teachers find their work rewarding and satisfying? An article
reports the results of a survey of 397 elementary school teachers
and 268 high school teachers. Of the elementary school teachers,
225 said they were very satisfied with their jobs, whereas 129 of
the high school teachers were very satisfied with their work.
Estimate the difference between the proportion of all elementary
school teachers who are satisfied and all high school teachers who
are satisfied by calculating a 95% CI....
Do teachers find their work rewarding and satisfying? An article reports the results of a survey...
Do teachers find their work rewarding and satisfying? An article
reports the results of a survey of 393 elementary school teachers
and 261 high school teachers. Of the elementary school teachers,
221 said they were very satisfied with their jobs, whereas 123 of
the high school teachers were very satisfied with their work.
Estimate the difference between the proportion of all elementary
school teachers who are satisfied and all high school teachers who
are satisfied by calculating a 95% CI....
Do teachers find their work rewarding and satisfying? An article reports the results of a survey...
Do teachers find their work rewarding and satisfying? An article
reports the results of a survey of 399 elementary school teachers
and 261 high school teachers. Of the elementary school teachers,
227 said they were very satisfied with their jobs, whereas 128 of
the high school teachers were very satisfied with their work.
Estimate the difference between the proportion of all elementary
school teachers who are satisfied and all high school teachers who
are satisfied by calculating a 95% CI....
Do teachers find their work rewarding and satisfying? An article in Psychological Reports reported the results...
Do teachers find their work rewarding and satisfying? An article
in Psychological Reports reported the results of a survey of a
random sample of 395 elementary teachers and 266 high school
teachers. Of the elementary school teachers, 224 said that they
were very satisfied with their jobs, whereas 166 of the high school
teachers were very satisfied with their work.
a. Based on this data, is it reasonable to conclude that the
proportion of very satisfied teachers is different for...
Find an article that discusses the results of a survey poll. Discuss and critique their methodology, results, and discussion.
Find an article that discusses the results of a survey poll. Discuss and critique their methodology, results, and discussion. For example, was an appropriate sampling method used to support their results? Was a confidence interval provided? What does the confidence interval mean? How confident do you feel with their results based on their methodology?
find a research article that reports the results using confidence intervals or coefficient values. Discuss the...
find a research article that reports the results using
confidence intervals or coefficient values. Discuss the importance
of the confidence intervals or coefficient values for proving or
disproving the hypotheses. Attach the pdf of the article to your
discussion pos
An October 25, 2012 article in the New England Journal of Medicine reports the results of...
An October 25, 2012 article in the New England Journal of
Medicine reports the results of a study examining aspirin and
survival among patients with colorectal cancer. The following
pieces of text are taken directly from the article abstract: (my
edits are in italics) “METHODS We obtained data on 964 patients
with rectal or colon cancer from the Nurses’ Health Study and the
Health Professionals Follow-up Study, including data on aspirin use
after diagnosis and the presence or absence of...
An article presents results of a survey of adults with diabetes. The average body mass index...
An article presents results of a survey of adults with diabetes.
The average body mass index (BMI) in a sample of 15 men was 30.4,
with a standard deviation of 0.6. The average BMI in a sample of 19
women was 31.1 with a standard deviation of 0.2. Assuming BMI is
normally distributed, find a 95% confidence bound for the
difference in mean BMI between men and women with diabetes. Be sure
to interpret the interval in context.
An article summarized results from a national survey of 2302 Americans age 8 to 18. The...
An article summarized results from a national survey of 2302
Americans age 8 to 18. The sample was selected in a way that was
expected to result in a sample representative of Americans in this
age group.
a) Of those surveyed, 1126 reported
owning a cell phone. Use this information to construct a 90%
confidence interval estimate of the proportion of all Americans age
8 to 18 who own a cell phone. (Round your answers to three decimal
places.)
(___________...
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