The following sample data were obtained from three, Ask an Expert

Statistics

The following sample data were obtained from three populations where the variances were not equal, and you wish to compare the populations.

Sample 1 Sample 2 Sample 3

21 15 38

29 17 40

35 22 44

45 27 51

56 31 53

a. State the null hypothesis.

b. Using the .01 level of risk, state the decision rule.

c. Compute the value of the test statistic.

d. What is your decision on the null hypothesis?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9393606

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

An important part of the customer service responsibilities

An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.75 that troubles in a ...

Let random variable x represent the number of heads when a

Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 (b) Determine the mean and standard deviation o ...

You are promised 80 a year for the next 4 years you are

You are promised $80 a year for the next 4 years. You are also promised a one-time payment of $2000 in 6 years. The interest rate is 6%. What is the total PV?

Toy wooden blocks are packaged in bags of 9 one bag

Toy wooden blocks are packaged in bags of 9. One bag contains 6 maple blocks and 3 birch blocks, while a second bag contains 5 maple blocks and 4 birch blocks. One block is drawn from the first bag and placed into the se ...

1 what is the ytm for a 14-year semi-annual bond that pays

1. What is the YTM for a 14-year semi-annual bond that pays $35 every six months and has a purchase price of $980.000? Face value is $1,000. 2. A person wants to put aside $500 at the beginning of each month for 10 years ...

Diastolic blood pressures are approximately normally

Diastolic blood pressures are approximately normally distributed with a mean of 75 and a standard deviation of 10. If we consider samples of 20 patients, what is the 90th percentile of the mean diastolic blood pressure?

One of your customers has just made a purchase in the

One of your customers has just made a purchase in the amount of $19,200. You have agreed to payments of $335 per month and will charge a monthly interest rate of 1.11 percent. How many months will it take for the account ...

1 for this problem carry at least four digits after the

1. For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations ...

You are given the sample mean and the population standard

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. A random sample of 44 gas grills has a mean price of $6 ...

If material hardness is normally distributed with a mean of

If material hardness is normally distributed with a mean of 42 and a standard deviation of 1. Specification limits for hardness are from 35 to 45. When the fraction defective is 0.0017 what is the corresponding PPM?

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