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A recent survey showed that in a sample of 100 elementary school teachers, 15 were single....
A recent survey showed that in a sample of 180 high school teachers, 36 were single....
A recent survey showed that in a sample of 180 high school teachers, 36 were single. In a sample of 120 elementary school teachers, 18 were single. Using a 0.01 level of significance, is the proportion of high school teachers who were single greater than the proportion of elementary teachers who were single? a.) Write the claim using an appropriate math expression b.) Define the Null and Alternate Hypotheses c.) Find the p-value d.) Make your conclusion
Use a confidence interval to determine if the proportions are different. 2) A recent survey showed...
Use a confidence interval to determine if the proportions are different. 2) A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. In a sample of 180 high school teachers, 36 were single. Is the proportion of high school teachers who were single greater than the proportion of elementary teachers who were single? Use a -0.01.
In a survey of 180 females who recently completed high school, 75% were enrolled in college....
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. At a = 0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (@). (a) Identify the claim and state Ho and H. The claim is "the...
In a survey of 180 females who recently completed high school, 75% were enrolled in college....
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. Atc=0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e) (a) Identify the claim and state Ho and H. The claim is the proportion of female...
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 391 elementary school teachers and 264 high school teachers. Of the elementary school teachers, 221 said they were very satisfied with their jobs, whereas 126 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 calalating a 95% d...
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 394 elementary school teachers and 269 high school teachers. Of the elementary school teachers, 222 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....
The random sample data analysis showed that the mean salary of 40 elementary school teachers in...
The random sample data analysis showed that the mean salary of 40 elementary school teachers in study showed $28,500. Is the sample data within or out of the 95% CI the reference information (a mean of $27,000 and a standard deviation of $2,000)? Show me the process how to prove true or false on this statement (use 95% CI).
In a survey of 180 females who recently completed high school, 75% were enrolled in college....
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. At a =0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (@). (a) Identify the claim and state Ho and Ha. The claim is "the proportion...
In a survey of 230 males ages 20 to 24,44% were neither in school nor working....
In a survey of 230 males ages 20 to 24,44% were neither in school nor working. In a survey of 240 females ages 20 to 24, 46% were neither in school nor working. These samples are random and independent. At a = 0.10, can you support the claim that the proportion of males ages 20 to 24 who were neither in school nor working is less than the proportion of females ages 20 to 24 who were neither in school...
9. A recent survey showed that in a sample of 80 surgeons, 15 smoked; in a...
9. A recent survey showed that in a sample of 80 surgeons, 15 smoked; in a sample of 150 general practitioners, 20 smoked. Construct a confidence interval for the difference in the proportion of surgeons and general practitioners who smoke. Interpret.
Use a confidence interval to determine if the proportions are different. 2) A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. In a sample of 180 high school teachers, 36 were single. Is the proportion of high school teachers who were single greater than the proportion of elementary teachers who were single? Use a -0.01.
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. At a = 0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (@). (a) Identify the claim and state Ho and H. The claim is "the...
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. Atc=0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e) (a) Identify the claim and state Ho and H. The claim is the proportion of female...
Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 391 elementary school teachers and 264 high school teachers. Of the elementary school teachers, 221 said they were very satisfied with their jobs, whereas 126 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 calalating a 95% d...
Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 394 elementary school teachers and 269 high school teachers. Of the elementary school teachers, 222 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....
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 65% were enrolled in college. At a =0.06, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (@). (a) Identify the claim and state Ho and Ha. The claim is "the proportion...
In a survey of 230 males ages 20 to 24,44% were neither in school nor working. In a survey of 240 females ages 20 to 24, 46% were neither in school nor working. These samples are random and independent. At a = 0.10, can you support the claim that the proportion of males ages 20 to 24 who were neither in school nor working is less than the proportion of females ages 20 to 24 who were neither in school...
9. A recent survey showed that in a sample of 80 surgeons, 15 smoked; in a sample of 150 general practitioners, 20 smoked. Construct a confidence interval for the difference in the proportion of surgeons and general practitioners who smoke. Interpret.
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