Question

In: Statistics and Probability

A long-term study followed 128 women throughout their lifetime. Among the various data collected, one interesting...

A long-term study followed 128 women throughout their lifetime. Among the various data collected, one interesting result was that 32 of these women had suffered from a migraine at some point in their life.

a) Use the results of this study and a 95% confidence interval to estimate the percentage of women in the population that will suffer from a migraine in their lifetime. Use symbols and words to express your answer.

b) Use the results of this study to test the claim that the percentage (proportion) of women in the population that will suffer from a migraine is less than 33% in their lifetime. Use 0.05 significance level. Use symbols and words to express your answer.

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

16. An epidemiologic study of breast cancer among elderly women followed 1,000 women, 65-79 years of...
16. An epidemiologic study of breast cancer among elderly women followed 1,000 women, 65-79 years of age, without evidence of breast cancer over several years. Every two years the investigators examined the women for breast cancer. The results were as follows: 12 new cases at the first evaluation, 11 new cases at the second evaluation, 23 new cases at the third evaluation, and 28 new cases at the fourth (and final) evaluation. The investigators also noted that 40 women had...
The following data were collected as part of a study of coffee consumption among graduate students....
The following data were collected as part of a study of coffee consumption among graduate students. The following reflect cups per day consumed: 3          4          6          8          2          1          0          2 X X2 0 0 1 1 2 4 2 4 3 9 4 16 6 36 8 64 26 134 Compute the sample mean. Compute the sample standard deviation. Compute the median. Compute the first and third quartiles. Which measure, the mean or median, is a better measure of...
Researchers initiated a​ long-term study of the population of American black bears. One aspect of the...
Researchers initiated a​ long-term study of the population of American black bears. One aspect of the study was to develop a model that could be used to predict a​ bear's weight​ (since it is not practical to weigh bears in the​ field). One variable thought to be related to weight is the length of the bear. The accompanying data represent the lengths and weights of 12 American black bears. Complete parts​ (a) through​ (d) below. ​(c) Determine the linear correlation...
One may organize cost data and their distribution among stakeholders in various ways to assess overall...
One may organize cost data and their distribution among stakeholders in various ways to assess overall project viability, and cost distribution to analyse the project’s attractiveness to various stakeholders. One approach to organizing such data is to identify the various categories for the project inputs in column (1), then show the total value of each input in column (2) and use subsequent columns to show the various stakeholders’ contribution. Similar to the case we did in class, consider the following...
1) "Data Collection," identifies which four categories of quality measurement? Select one: a. Inpatient, outpatient, long-term...
1) "Data Collection," identifies which four categories of quality measurement? Select one: a. Inpatient, outpatient, long-term care, and hospice b. Clinical, quality, financial performance, patient/physician/staff satisfaction, and functional status c. Clinical, administrative, community benefit, and patient engagement d. Patient level, microsystem level, macrosystem level, and environmental level 2) Which of the following is a consideration in data collection? Select one: a. Time of data collection b. Cost of data collection c. Inpatient versus outpatient d. All of the above 3)...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT