One-hundred test scores were recently obtained from a local high school to compare to the national...

Question

Question

One-hundred test scores were recently obtained from a local high school to compare to the national...

One-hundred test scores were recently obtained from a local high school to compare to the national average. The mean verbal SAT score for this sample was 450. Compare this sample to the population of SAT verbal test scores (SAT Verbal Test μ = 430 and σ = 120). Alpha=.05
1. Should a one-tailed or two-tailed test be used? Two-tailed test
2. State your null hypothesis
3. State your alternative hypothesis
4. What is the z-obtained?
5. What is the p value?
6. Did you reject or fail to reject the null hypothesis?
7. What can you conclude on the basis of the results?

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

One-hundred test scores were recently obtained from a local high school to compare to the national...

One-hundred test scores were recently obtained from a local high school to compare to the national average. The mean verbal SAT score for this sample was 440. Compare this sample to the population of SAT verbal test scores (SAT Verbal Test μ = 430 and σ = 120). State the alternative hypothesis Ha
One-hundred test scores were recently obtained from a local high school to compare to the national...

One-hundred test scores were recently obtained from a local high school to compare to the national average. The mean verbal SAT score for this sample was 440. Compare this sample to the population of SAT verbal test scores (SAT Verbal Test μ = 430 and σ = 120). Calculate the standard error of the mean.
A researcher in interested in whether students who are musicians have higher intelligence test sc...

A researcher in interested in whether students who are musicians have higher intelligence test scores than students in the general population. The mean for the general population is 100. The researcher selects musicians from local high schools and gives them an intelligence test, with a mean of 105. SS 725 for the 2. 30 sample Null Hypothesis (Ho): μ State in words: Alternative Hypothesis (Ha): μ > State in words: df= t critical value (with α : .05): One-tailed or...

Multiple Choice: Question #1 A two tailed hypothesis test is being used to evaluate a treatment...

Multiple Choice: Question #1 A two tailed hypothesis test is being used to evaluate a treatment effect with ( a = .05). if the sample data produce a Z-score of ( z= -2.24), what is the correct decision? A. Reject the null hypothesis and conclude that the treatment has no effect B. Reject the null hypothesis and conclude that the treatment has an effect C. Fail to reject the null Hypothesis and conclude that the treatment has no effect D....
A company that sells an online course aimed at helping high-school students improve their SAT scores...

A company that sells an online course aimed at helping high-school students improve their SAT scores has claimed that SAT scores will improve by more than 90 points on average if students successfully complete the course. To test this, a national school counseling organization plans to select a random sample of n = 100 students who have previously taken the SAT test. These students will take the company's course and then retake the SAT test. Assuming that the population standard...
A sample of n = 25 scores produces a t statistic of t = -2.062. If...

A sample of n = 25 scores produces a t statistic of t = -2.062. If the researcher is using a two-tailed test, which of the following is the correct statistical decision? Group of answer choices: A. The researcher can reject the null hypothesis with alpha = .05 but not with alpha = .01. B. The researcher must fail to reject the null hypothesis with either alpha = .05 or alpha = .01. C. It is impossible to make a...

Complete the problem below on conducting one sample t-test using the steps in hypothesis testing. A...

Complete the problem below on conducting one sample t-test using the steps in hypothesis testing. A researcher in interested in whether students who are musicians have higher intelligence test scores than students in the general population. The mean for the general population is 100. The researcher selects 30 musicians from local high schools and gives them an intelligence test, with a mean of 105. SS = 725 for the sample. m = _______ M = _________ n = _______ s2...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has...

A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 275. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 33. At alpha=0.05, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H0 and...
A researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A...

A researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A sample of n = 36 male college students is obtained and each student is given a series of three endurance tasks and asked to consume 4 ounces of the drink during each break between tasks. The overall endurance score for this sample is M = 85. For the general population of male college students, without any sports drink, the scores for this task average...

The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level...

The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained by the test taker's parents. A research hypothesis was that students whose parents had attained a higher level of education would on average score higher on the SAT. The overall mean SAT math score was 514. SAT math scores for independent samples of students follow. The first sample shows the SAT math test scores for students whose parents are college graduates...

One-hundred test scores were recently obtained from a local high school to compare to the national...

Homework Answers