Steps to be covered: state the hypothesis and identify the claim find the critical value from...

Question

Question

Steps to be covered: state the hypothesis and identify the claim find the critical value from...

Steps to be covered:

state the hypothesis and identify the claim
find the critical value from the table and mention the acceptance range
compute the test value
make the decision to reject or not the null hypothesis

PROBLEM 1

A company claims that cancer patients using drug X will live more than 8 years.

n=25

x̄ = 8.5 year

s = 3.1 year

a) Test at alpha=.05

b) Give the CIE at 99%

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

Steps to be covered: state the hypothesis and identify the claim find the critical value from...

Steps to be covered: state the hypothesis and identify the claim find the critical value from the table and mention the acceptance range for H0 compute the test value make the decision to reject or not the null hypothesis Claim tests are two-tail tests only if you have to test for strict equality; If the claim says “at least”, “less”, “at most”, “no more than”….. it means that a one-tail test should be performed A college wants to know the...
State the hypothesis and identify the claim, find the critical value(s), compute the test value, make...

State the hypothesis and identify the claim, find the critical value(s), compute the test value, make the decision, summarize the results (make the appropriate statement of the results of the claim included rejection or non-rejection of the null hypothesis). Please show all of your work. USE Z VALUE. Please include bell graph. A researcher claims that based on the information obtained from CHOC, 27% of young people ages 3-19 are obese. To test this claim she randomly selected 300 people...
State the hypothesis and identify the claim, find the critical value(s), compute the test value, make...

State the hypothesis and identify the claim, find the critical value(s), compute the test value, make the decision, summarize the results (make the appropriate statement of the results of the claim included rejection or non-rejection of the null hypothesis). Please show all of your work. USE Z VALUE. Please include bell graph. A researcher claims that based on the information obtained from CHOC, 27% of young people ages 3-19 are obese. To test this claim she randomly selected 300 people...

In Exercises 1-2, (a) identify the claim and state H0 and Ha, (b) find the critical...

In Exercises 1-2, (a) identify the claim and state H0 and Ha, (b) find the critical value, (c) find the test statistic, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. 1. A meteorologist claims that the median daily high temperature for the month of July in Pittsburgh is 83 Fahrenheit. The high temperatures (in degrees Fahrenheit) for randomly selected July days in Pittsburgh are...
In Exercise 3, (a) identify the claim and state Ho and Ha, (b) find the critical...

In Exercise 3, (a) identify the claim and state Ho and Ha, (b) find the critical value(s) and identify the rejection region(s), (c) find the standardized test statistic z, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. Assume the samples are random and independent, and the populations are normally distributed. 3. A researcher claims that the mean sodium content of sandwiches at Restaurant A...
Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a...

Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? A researcher claims that more than 82% of people had at least one health care visit in the past year. Does the claim represent the null hypothesis or the alternative hypothesis? Since the claim v a statement of equality, it...

Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the n...

Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? A researcher claims that at most 17% of people had no health care visits in the past year. Does the claim represent the null hypothesis or the alternative hypothesis? Since the claim a statement of equality, it represents the V...
For the folowing claim, find the null and alternative hypotheses, test statistic, critical value, and draw...

For the folowing claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is less than 119. Sample data: n 11, x 117, s 14. The significance level is ?-005 Click the icon to view a table of critical t-values. a. Choose the correct null hypothesis (Ho) and altenative hypothesis...
1. state the hypothesis and identify the claim with the correct hypothesis. Also one or two...

1. state the hypothesis and identify the claim with the correct hypothesis. Also one or two tailed test? 2. Compute the test value 3. Find the P-value 4. Make the decision to reject or not reject the null hypothesis 5. Summarize the results Ten years ago, the average acreage of farms in a certain geographic region was 65 acres. The standard deviation of the population was 7 acres. A recent study consisting of 28 farms showed that the average was...

State the hypotheses and identify the claim, find the critical value(s), compute the test value, make...

State the hypotheses and identify the claim, find the critical value(s), compute the test value, make the decision, summarize the results (make the appropriate statement of the results of the claim included rejection or non-rejection of the null hypothesis). Please show all of your work. A researcher wishes to see if students show a time preference for anatomy labs. A sample of four lab classes shows enrollment. At = 0.10, do the students show a time preference for the labs?...

Steps to be covered: state the hypothesis and identify the claim find the critical value from...

Homework Answers