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
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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 100 elementary school teachers, 15 were single....
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. What are the hypotheses? A) Ho: P1 = P2 vs. H: P17 P2 B) Ho: P1 = P2 vs. Hy: P1 P2 C) Ho: P1 = P2 vs. Hy:...
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.
For the gven claim, complete parts (a) and (b) below Claim: High school teachers have incomes...
For the gven claim, complete parts (a) and (b) below Claim: High school teachers have incomes with a standard deviation that is less than $19,750. A recent study of 144 high school teacher incomes showed a standard deviation of $18.750 2 Express the original camin symbolic form b. Identity the land the heative Hypotheses that should be used to arrive at a conclusion that supports the claim a. Express the onginal claim in symbolic form. the null and the alternative...
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...
The article “Work-Related Attitudes” reports the results of a survey of 266 high school teachers and...
The article “Work-Related Attitudes” reports the results of a survey of 266 high school teachers and 395 elementary school teachers. Of the high school teachers, 126 said they are very satisfied with their jobs, whereas 224 of the elementary school teachers are very satisfied with their jobs. (a) Construct and interpret a 90% confidence interval for the true difference between the percentage of all high school teachers that are very satisfied and all elementary school teachers who are very satisfied....
A researcher wants to test if the elementary school children spend less than 30 minutes per...
A researcher wants to test if the elementary school children spend less than 30 minutes per day on homework. Suppose we make the test at the 1% significance level. A sample of 61 children selected from this school shows that they spend an average of 28 minutes per day on home work with a standard deviation of 4 minutes. a.) Write the claim using an appropriate math expression b.) Define the Null and Alternate Hypotheses c.) Find the p-value d.)...
A recent national survey showed that the mean amount of time high school students spent per...
A recent national survey showed that the mean amount of time high school students spent per day using Snapchat was 65 minutes, with a standard deviation of 9 minutes. Mrs. Jones, a school principal, surveyed 100 of her students and computed a sample mean of 67.6 minutes of daily Snapchat use. She would like to determine, with a .01 significance level, whether her school is significantly different from the national results. State the null and alternate hypotheses for this two-tailed...
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...
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...
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...
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. What are the hypotheses? A) Ho: P1 = P2 vs. H: P17 P2 B) Ho: P1 = P2 vs. Hy: P1 P2 C) Ho: P1 = P2 vs. Hy:...
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.
For the gven claim, complete parts (a) and (b) below Claim: High school teachers have incomes with a standard deviation that is less than $19,750. A recent study of 144 high school teacher incomes showed a standard deviation of $18.750 2 Express the original camin symbolic form b. Identity the land the heative Hypotheses that should be used to arrive at a conclusion that supports the claim a. Express the onginal claim in symbolic form. the null and the alternative...
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...
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...
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...
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