Assume that both samples are independant simple random, Ask an Expert

Statistics

Assume that both samples are independant simple random samples from populations having normal distributions.

listed below are body mass indexes (BMI) for miss america winners from two different time periods. Use a 0.05 significance level to test the claim that winners from both time periods have BMI values with the same amount of variation.

BMI for recent winners: 19.5 20.3 19.6 20.2 17.8 17.9 19.1 18.8 17.6 16.8

BMI from 1920s and 1930s: 20.4 21.9 22.1 22.3 20.3 18.8 18.9 19.4 18.4 19.1

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9378984

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

1 given the following capital project datacost of

1. Given the following capital project data Cost of automation system (invoice):$730,000 Transportation and installation:$140,000 Training:$100,000 Firm's WACC:9% Firm's tax rate:35% Depreciation 5 years, straight line L ...

In developing their warranty policy a washing machine

In developing their warranty policy, a washing machine company estimates that over a 1-year period 15% of their new washing machine will need to be repaired. You and your neighbor both purchase a new washing machine. 1) ...

Assume that the significance level is alpha equals alpha005

Assume that the significance level is alpha equals α=0.05. Use the given statement and find the? P-value and critical? value(s). The test statistic of z equals = -1.53 is obtained when testing the claim that p= 1/6 P-val ...

54 of public high school students are provided a computer

54% of public high school students are provided a computer by their school district. 40 students are selected at random. The random variable represents the number of students who have been provided a computer by their sc ...

What are the uses and value of statistical significance

What are the uses and value of statistical significance testing and the p-value as demonstrated in the various analytical techniques (t-tests, ANOVA, chi-square, etc.). What's the fundamental reason we apply these techni ...

You work at patty king home of the cinnamon roll breakfast

You work at Patty King, home of the Cinnamon Roll Breakfast Sandwich, as the manager of the early morning shift. You want to estimate the probability that at least 5 customers enter the store in the next 10 minutes. Woul ...

Many high school students take the ap tests in different

Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year, of the 211,693 students who took the calcu ...

Arvo corporation is trying to choose between three

Arvo Corporation is trying to choose between three alternative investments. The three securities that the company is considering are as follows: Tax-free municipal bonds with a return of 8.8%. Wooli Corporation bonds wit ...

In preparing a defense against a hostile takeover a firms

In preparing a defense against a hostile takeover, a firm's management assesses the owners of both common and preferred stock with respect to their attitudes toward current management. Of 600 common stockholders, 322 rep ...

In a sample of 20 cups of coffee at the local coffee shop

In a sample of 20 cups of coffee at the local coffee shop, the average temperature was 162.5 degrees with a standard deviation of 14.1 degrees. What would be the 95% confidence interval for the temperature of your cup of ...

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