Question

Eleven components were tested to failure. The ordered ages (in hours) at failure were: 71, 87,...

Eleven components were tested to failure. The ordered ages (in hours) at failure were: 71, 87, 102, 104, 106, 111, 113, 117, 143, 159. The test was stopped at 200 hours (leaving one “survivor”). Calculate the Laplace (trend) statistic and test its significance. Clearly state your hypothesis, and conclusion.

show all formulas and steps do not do in excel or mathlab

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Our null hypothesis is H0 : There is no trend in the data set against Ha: There is a trend present in the data.

We have the test statistic as , Here

So T = 12.18188 > 1.96

So, we reject the null hypothesis at 5% level of significance and conclude that there is a trend present in the given data set.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Open Three Hospitals data. SETUP: It is believed that the number of injuries recorded in hospital...
Open Three Hospitals data. SETUP: It is believed that the number of injuries recorded in hospital 1 is different from the number of injuries recorded in hospital 2. Given the data your job is to confirm or disprove this assertion. 10. What test/procedure did you perform? (4 points) a. Regression b. Two sided t-test c. One sided t-test d. Confidence Interval 11. What is the statistical interpretation? (4 points) a. Average of data is inconsistent with the claim b. P-value...
A loan made on March 14 is due September 13 of the following year. Find the...
A loan made on March 14 is due September 13 of the following year. Find the exact time for the loan in a​ non-leap year and a leap year. days. The exact time in a​ non-leap year is ? days The exact time in a leap year is ? days. Data Table Sequential Numbers for Dates of the Year Day of Month Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. 1 1 32 60 91 121...
The Red Lobster Restaurant chain conducts regular surveys of its customers to monitor the performance of...
The Red Lobster Restaurant chain conducts regular surveys of its customers to monitor the performance of individual restaurants. One of the questions asks customers to rate the overall quality of their last visit. the listed responses are Poor 1, Fair 2, Good 3, Very Good 4, and Excellent 5. The survey also asks respondents whether their children accompanied them (1=yes) and (2=no). Graphically depict these data and describe your findings. Customer Rate Children 1 4 1 2 3 2 3...
Suppose that a local chapter of sales professionals in the greater San Francisco area con- ducted...
Suppose that a local chapter of sales professionals in the greater San Francisco area con- ducted a survey of its membership to study the relationship, if any, between the years of experience and salary for individuals employed in inside and outside sales positions. On the survey, respondents were asked to specify one of three levels of years of experience: low (1–10 years), medium (11–20 years), and high (21 or more years). A portion of the data obtained follows. The complete...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the seasonal influenza vaccine in preventing acute respiratory infection (ARI). A total of 507 subjects from Texas who showed symptoms of ARI were recruited for this study. The data provided show the result of each subject's test for influenza. Click to download the data in your preferred format.    CrunchIt!    CSV    Excel    JMP    Mac-Text    Minitab    PC-Text    R   ...
While job opportunities for men and women are considerably more balanced than they were 40 years...
While job opportunities for men and women are considerably more balanced than they were 40 years ago, the career aspirations may still differ. Is there a difference in majors chosen by men and women? Using the sample of 200 MBA students (in the data file), conduct a Chi Square Test of Independence to determine if one's choice of major is independent of their gender. Use a .05 significance level. ID Gender Major Employ Age MBA_GPA BS GPA Hrs_Studying Works FT...
4) In order to determine the best-selling style of tennis rackets that are sold in State...
4) In order to determine the best-selling style of tennis rackets that are sold in State College, you have collected data from all sporting goods stores in town. A tennis racket is classified by both its head size and grip size. The Excel sheet “Sales Data Tennis Rackets” in Module 3 contains the data you collected for sales of tennis rackets. Each entry in the Excel sheet represents the sale of one tennis racket. You will have to separate your...
Your firm works in construction and buys ASTM A325M8S bolts in very large numbers. You are...
Your firm works in construction and buys ASTM A325M8S bolts in very large numbers. You are interested in purchasing bolts from different suppliers and have obtained and tested samples of 200 bolts from three suppliers: Allnutt, Boltzman, Coachers.You have tested these in your new bolt testing machine, purchased after you had discovered your old bolt testing machine was performing erratically. (For the purposes of this question, you are safe to assume that the new machine works perfectly and that its...
Bivariate Data & Probability After completing the calculation by hand in Q1 you can use Excel...
Bivariate Data & Probability After completing the calculation by hand in Q1 you can use Excel to check your answers before submitting. Q2 assesses your general understanding of probability and linear associations using Excel to analyse a large dataset. Question 1       Covariance and Correlation The table below shows a set of sample bivariate data. Calculate the covariance and correlation coefficient by completing the below table. Show all working. X Y (X - ) (Y - ) (X - )(Y -...
Historically, the MBA program at Whatsamattu U. has about 40% of their students choose a Leadership...
Historically, the MBA program at Whatsamattu U. has about 40% of their students choose a Leadership major, 30% choose a Finance major, 20% choose a Marketing major, and 10% choose no major. Does the most recent class of 200 MBA students fit that same pattern or has there been a shift in the choice of majors. Using the sample of 200 students (in the data file), conduct a Chi Square Goodness of Fit test to determine if the current distribution...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT