Question

In: Statistics and Probability

Listedbelowarethebodytemperaturesat8amonagivendayfromsamplesof men and women. Use a 10% significance level to test the claim that the men...

Listedbelowarethebodytemperaturesat8amonagivendayfromsamplesof men and women. Use a 10% significance level to test the claim that the men have a lower body temperature than women.

oo
Men: n = 30, X 97.45=F s 0.66 F =

oo Women: n=25, X 97.86=F s 0.89 F

Solutions

Expert Solution

The concerned p value is P(t53<-1.959447)=0.02766461<.10

For any query in above, comment.


Related Solutions

Use a 0.03 significance level to test the claim that the proportion of men who plan...
Use a 0.03 significance level to test the claim that the proportion of men who plan to vote in the next election is the same as the proportion of women who plan to vote (homogeneous). Men and Women were randomly selected and asked whether they planned to vote in the next election. The results are shown below. Show all work please / Men / Women Plan to Vote / 93 / 158 Do Not Plan to Vote / 116 /...
Use a significance level of 0.05 to test the claim that the average life of cell...
Use a significance level of 0.05 to test the claim that the average life of cell phones equals 5 years. This is done after a study where the following statistical data are collected: n = 27, (x bar) ̅ = 4.6 years and s = 1.9 years. a) Indicates Ho Ha, b) draw the graph, c) find the critical value, d) find the t-statistic, e) performs the hypothesis test to reject or fail to reject the null hypothesis. f) Find...
Use a significance level of 0.05 to test the claim that the average life of cell...
Use a significance level of 0.05 to test the claim that the average life of cell phones equals 5 years. This is done after a study where the following statistical data are collected: n = 27, (x bar) ̅ = 4.6 years and s = 1.9 years. a) Indicates Ho Ha, b) draw the graph, c) find the critical value, d) find the t-statistic, e) performs the hypothesis test to reject or fail to reject the null hypothesis. f) Find...
Perform the indicated goodness-of-fit test. Use a significance level of 0.01 to test the claim that...
Perform the indicated goodness-of-fit test. Use a significance level of 0.01 to test the claim that workplace accidents are distributed on workdays as follows: Monday 25%, Tuesday: 15%, Wednesday: 15%, Thursday: 15%, and Friday: 30%. In a study of 100 workplace accidents, 25 occurred on a Monday, 17 occurred on a Tuesday, 16 occurred on a Wednesday, 12 occurred on a Thursday, and 30 occurred on a Friday
In #29-32, use the following information. Use a 0.025 level of significance to test the claim...
In #29-32, use the following information. Use a 0.025 level of significance to test the claim that vehicle speeds at a certain location have a mean above 55 km/h . A random sample of 50 vehicles produces a mean of 61 3. km/h and standard deviation of 3 3. km/h . 29. Give the null hypothesis in symbolic form. (a) H0 :µ > 55 (b) H0 :µ ≥ 55 (c) H0 :µ ≤ 55 (d) H0 :µ < 55 (e)...
Test the claim that men and women owe the same amount on their Visa cards. Men...
Test the claim that men and women owe the same amount on their Visa cards. Men                                        Women                                 n =                                          n =                                                          x =                                           x =                                          s =                                          s =                          The data collected below comes from people that live in Salinas. Listed below are the genders, ages and current balance on one specific type of Visa card....
Use a α = .01 significance level to test the claim that 90% students have a...
Use a α = .01 significance level to test the claim that 90% students have a Facebook account. Survey results: n=500, x= 430. H0= H1= Left tail, right tail or two tail? Explain, please! Test statistic: P-value: Conclusion:
A hypothesis test with a 5% level of significance is designed to test the claim that...
A hypothesis test with a 5% level of significance is designed to test the claim that the mean weight of a new breed of chickens is greater than 6.00 pounds. A sample of 81 chickens is obtained and their mean weight is 6.20 pounds with a sample standard deviation of 0.50 pounds. No information is available concerning the standard deviation of the whole population of the new breed. What is the critical value (from Table A-3) and the test statistic...
Use the t-distribution. Test the claim about the population mean μ at the level of significance...
Use the t-distribution. Test the claim about the population mean μ at the level of significance α. Assume the population is normally distributed.   Claim: μ ≤ 125; α = 0.05. Sample statistics:   = 120; s =12; n = 28 Fail to reject H0; there is not enough evidence to reject the claim Reject H0; There is enough evidence to reject the claim Fail to reject H0; There is not enough evidence to support the claim Reject H0; There is enough evidence...
You wish to test the following claim ( H a ) at a significance level of...
You wish to test the following claim ( H a ) at a significance level of α = 0.002 . H o : μ = 73.8 H a : μ > 73.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 31 with mean M = 83.5 and a standard deviation of S D = 16.9 . What is the test statistic for this sample? (Report...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT