A manufacturer of steel wants to test effect of method of, Ask an Expert

Statistics

A manufacturer of steel wants to test effect of method of manufacture on the tensile strength of the specific type of steel. Four different techniques have been tested and data shown in Table 1. Test the significance of the effect at α = 0.05

Table 1

Methods Tensile Strength

1	2650	2765	2750	2600
2	2985	2975	2865	2890
3	2775	2620	2690	2700
4	2900	2885	2850	2950

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M922086

Have any Question?

Related Questions in Statistics and Probability

Romeo composes a letter to juliet and gives it to tybalt to

Romeo composes a letter to Juliet, and gives it to Tybalt to deliver to Juliet. While on the way, Tybalt peeks at the letter's contents. Tybalt gives Juliet the letter, and Juliet reads it immediately, in Tybalt's presen ...

Satistics project come up with a survey pick a population

Statistics Project: Come up with a survey: Pick a population Come up with 4 variablesà 2 Quantitative & 2 Qualitative (make up numbers) Pick 50 data points for each variable, make a table on excel, use a scatter plot gra ...

Assume the random variable x is normally distributed with

Assume the random variable x is normally distributed with mean mu = 85 and standard deviation sigma =4. Find the indicated probability. P(x

Consider repair costs for car a and car b the mean repair

Consider repair costs for Car A and Car B. The mean repair cost for each is $500 per year. Which statistics about repair costs may play into your decision to purchase one of these cars? Which car would you choose? Explai ...

Assignmentstatistical analysisdirections be sure to save an

ASSIGNMENT Statistical Analysis Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to us ...

Suppose that the number of men equals the number of women

Suppose that the number of men equals the number of women, and that Vera is last on the preference list of every man. Prove that under every stable matching, Vera is matched to the same man. Who is the unlucky guy?

Assignment choice 1 the great migrationwrite an essay on

Assignment Choice #1: The Great Migration Write an essay on the great migration of the black population to the northern United States. What were the reasons for the great migration? What were some of the risks involved ...

The population of lengths of aluminum-coated steel sheets

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.3 inches. What is the probability that average length of a steel sheet from a sa ...

Problem 1somewhere in the milky way galaxy a class of 2000

Problem 1 Somewhere in the Milky Way Galaxy, a class of 2,000 students took a course in Astronomy. The first exam scores and the final exam percentage reached earth, but transmission broke off after only a dozen student ...

Assignment1 assume the speed of vehicles along a stretch

Assignment 1. Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution with a mean of 71 mph and a standard deviation of 8 mph. The current speed limit is 65 mph. a. What proportion o ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert