State the null hypothesis ho and the alternative hypothesis

Assignment Help Basic Statistics
Reference no: EM13240945

To test the null hypothesis that the mean waist size for males under 40 years equals 34 inches versus the hypothesis that the mean differs from 34, the following data were collected: 33, 33, 30, 34, 34, 40, 35, 35, 32, 38, 34, 32, 35, 32, 32, 34, 36, 30.

Calculate the t* -value of the test statistic.

State the null hypothesis, Ho,and the alternative hypothesis, Ha , that would be used to test the claim: The standard deviation has increased from its previous value of 15.

Reference no: EM13240945

Questions Cloud

Explain what was the percent of acetic acid in the vinegar : (a) What was the molar concentration of acetic acid in the vinegar (b) Assuming the density of the vinegar to be 1.1 g/mL, what was the percent (by mass) of acetic acid in the vinegar
Does this sample prove that the rate of return exceeds : If the daily stock price, x, of United Technology is normally distributed with mean 6.56 and standard deviation 2.4, calculate the probability that in a randomly selected ay the price will be between $3.25 and $7.36. Hint: Review normal distribution
Estimate the relative risk of neurological impairment : Estimate the relative risk of neurological impairment for children exposed to secondary smoking, and calculate a 95% con?dence interval for this risk.
Define what is the molar mass of the solute : what is the molar mass of the solute? The boiling point elevation constant for water is .512 C/m.
State the null hypothesis ho and the alternative hypothesis : To test the null hypothesis that the mean waist size for males under 40 years equals 34 inches versus the hypothesis that the mean differs from 34, the following data were collected: 33, 33, 30, 34, 34, 40, 35, 35, 32, 38, 34, 32, 35, 32, 32, 34, 36,..
Find the the maximum speed of the ball : A 0.1kg ball is attached to a string and whirled around in a circle overhead, What is the maximum speed the ball can have when the radius of corcle is 1m
A contractor is responsible for drainage network cleaning : A contractor is responsible for drainage network cleaning and shall ensure that the required level of service is achieved. The required level of service is that any point in time no more than 3% of Drainage Inlet pits and no more than 3% of Drains ar..
Explain the ph of sodium hypochlorite : The pH of .750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base
Average retroreflectivity for the roadmarking : Roadmarking shall be determined by the retroreflectivity performance of glass beads in the road marking. The roadmarking average level of reflectivity over the City is to be not less than 150 mcd/sqm/lx and the minimum aceptable reflectivity is 120 m..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the probability that all eight of light bulbs work

Suppose that each light bulb works independently of the other light bulbs. What is the probability that all eight of the light bulbs work?

  Non-stationary poisson process

If customers arrive according to a non-stationary Poisson process with rate function λ(t) = sin(t) + 5, is the time between the arrivals an exponential distribution?

  Standard deviation of doctors ages

The given data show the age distribution of top 14 doctors in emergency faculty of local hospital.

  Significance and use of normal curve

Consider the relationship between derived scores and the normal curve. In terms of the normal curve and how it relates to psychological testing and assessment.

  Multiple regression analysis-airplane passengers

The demand for airplane passengers (Y) is a function of a average fare (X1), the fare of the competing airline, and the annual per capital income of the passengers(X3)

  Information about one-way anova

Research the topic of Job Satisfaction using the Business Source Premier Database (EBSCO) and/or the ABI Inform Global database in the Library using the instructions linked here.

  Create reasonable confidence interval for population mean

Construct a 95 percent confidence interval for the population mean. Is it reasonable that the population mean is 28 weeks? Justify your answer

  Computing z and state decision regarding null hypothesis

Compute the value of z and state your decision regarding the null hypothesis.

  Test of hypothesis by using t test

From a population of cereal boxes marked "12 ounces," a sample of 16 boxes is selected and the contents of each box weighed. The sample revealed a mean of 11.7 ounces with a standard deviation of 0.8.

  Testing of hypothesis-mean for uniform distribution

Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors the default rate on personal loans at the AFB member banks.

  Correlation coefficient between two variables

The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test.

  Two elementary schools in a county

Suppose there are two elementary schools in a county. One school (A) loans all its students a laptop computer for use in classes. The other (B) does not

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