Introduction to hypothesis testing

Assignment Help Basic Statistics
Reference no: EM13110507

Introduction to Hypothesis Testing

State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.

a. A research hospital claims that more than 3.7% of the population suffers from high blood pressure. Use p, the represent the population proportion.

Answer: Claim:

H0 :

Ha :

Test :

b. The highest acceptable level of pesticide found in quail has been limited to 0.35 parts per million (ppm). A hypothesis test is perform to test if the level of the pesticide is higher.

Answer: Claim:

H0 :

Ha :

Test :

Reference no: EM13110507

Questions Cloud

Characteristics of good research hypothesis : Discuss the characteristics of a good research hypothesis. What distinguishes a null hypothesis from a research hypothesis? How would you explain the difference between non-directional research and directional research hypothesis?
Develop a financial analysis of projects : You have been asked to develop a financial analysis of two projects and based on Net Present Value (NPV), Return on Investment (ROI), and Profitability Index (PI).
Applications of inference-hyothesis testing : In what areas of your business is it important to draw inference? Describe a time when drawing an inference may have hurt your business.
How is glycolytic flux increased during a bicycle : How is glycolytic flux increased during a bicycle exercise test biochemically in someone who is exercise intolerance?
Introduction to hypothesis testing : State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
Determine the null hypothesis : A random sample of 100 European professional soccer players has an average age of 27 years and a SD of 4 years.
Which enzymatic defect in the citric cycle cause : Citric cycle- Which enzymatic defect in the citric cycle cause low oxygen consumption at succinate substrate, but normal consumption of oxygen at furmarate and malate? Explain.
Determine probability that subscriber didn-t rent car : Determine the probability that subscriber didn't rent the car during past 12 months for either business or personal reasons?
Statistics-hypothesis questions : A researcher claims that the average age of people who buy lottery tickets is 70. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 16. At alpha = 0.05 is there enough evidence to reject the researche..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Questions based on descriptive statistics

The number of runs with respect to the sample median is:

  Estimate the chance of getting aces

A die is rolled 60 times. An "ace" is the side with one dot. Use the normal approximation to estiate the chance of getting exactly 12 aces.

  Probability based on central limit theorem

Assume that you choose a 50 families sample. Which is the form expected from the distribution of the average or median of the sample?

  Margin of error-confidence interval for the proportion

They would like the margin of error of the 95% confidence interval for the proportion to be 0.05 or less. Use the guessed value p = 0.25 to find the required sample size.

  Dvd rental store problem

A DVD rental store wants to know what proportions of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.6..

  Thickness with in the particular interval

What is the value of c for which there is 80% probability that a metal plate has a thickness with in the interval [4.3-c, 4.3+c]?

  Steps for testing hypothesis of movie watcher

Describe the steps for testing a hypothesis that people are more likely to keep watching a movie if they have already invested money to obtain the movie.

  Find the probability that x exceeds

Recent studies have shown that the super-cooling temperature of terrestrial frogs frozen at -6°C has a relative frequency distribution with a mean of - 2°C and a standard deviation of 0.3°C (The first of these studies was reported in Science, May ..

  Possible outcomes of the experiment

A quality control inspector selects a part to be tested. The part is then declared acceptable, repairable, or scrapped. Then another part is tested. List the possible outcomes of this experiment regarding two parts.

  Computation of the test statistics

Be able to conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of ..

  Mean vector and variance matrix of the random vector

Suppose X is a random variable with mean u and variance sigma2, Calculate the mean vector and variance matrix of the random vector Y = (X,2+3X)?

  Traditional methods for testing hypotheses

What is the minimum sample size required to assure that your sample proportion "p" will be within the required margin of error around the population proportion "p". Use the traditional methods for testing hypotheses and show the results of all ste..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd