Hypothesis testing-alternative hypothesis

Assignment Help Basic Statistics
Reference no: EM13111990

Which of the following would be an appropriate alternative hypothesis?

-A The mean of the population is equal to 55.

-B The mean of the sample is equal to 55.

-C The mean of a population is greater than 55.

-D The mean of a sample is greater than 55.

Reference no: EM13111990

Questions Cloud

Reasons for the rekindling of magnesium fires : When relatively small amounts of magnesium burns, the fires are extinguished using commercially available dry powder. Why might this fire rekindle days later as someone tries to remove the residue with water?
Determine z-score for each score in the population : Population of following N=5 scores: 0,6,4,3, and 12. Calculate μ and σ for the population. Determine the z-score for each score in the population.
Information about statistical significance : You are a researcher who is interested in the effect of child care on the attachment which develops between an infant and a caregiver.
Which of the following is a viable catalytic hypothesis : Hiking in the deserts of New Mexico you encounter a strangely shaped, entirely smooth metallic rock. Oozing from the rock is a slime mold that you believe to be a new species never before seen (on earth). The mold fluoresces bright pink normally b..
Hypothesis testing-alternative hypothesis : Which of the following would be an appropriate alternative hypothesis?
Determine the population mean for the population : For the population with standard deviation of σ =10 a score of x=44 corresponds to z= -0.50. Determine the population mean?
Describing one tailed test of hypothesis : The McCollough Corporation, a producer of various kinds of batteries, has been producing D size batteries with a life expectancy of 87 hours.
What is the relationship between pre-mrna and mature rna : Discuss in three sentences or less why DNA polymerases alone cannot initiate complementary strand formations.
Test of hypothesis for average gasoline price : The average gasoline price of one of the major oil companies has been $2,25 per gallon. Recently, the company has undertaken several efficiency measures in order to reduce prices. Management is interested in determing whether their efficiency meas..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Job within the allotted time and at minimum cost

Use Excel and determine the number of each type of person that will be needed to complete the job within the allotted time and at minimum cost.

  Question on probability for normal distribution

Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.

  Question of one sample t test

A researcher claims that the average age of people who buy theatre tickets is 51. A sample of 30 is selected and their ages are recorded as shown below.

  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 ..

  Mean number of occurrences

The random variable x, which is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number..

  Description of control limits

A cola dispensing machine is set to depense 9 ounces per cup with a standard deviation of .5 oz .THe manufacturer would like to set the control limits so that for samples of 16,

  Describing five step hypothesis testing procedure

At the 0.05 level of significance, can we conclude Middletown students remained in their districts less time than Brockton students?  Make use of 5-step hypothesis testing procedure.

  Mean for a distribution

It is better to use the median rather than the mean for a distribution when:

  Marketing director of harley-davidson

As the Marketing Director of Harley-Davidson, you need to determine what your customers would like in the next model. You put a survey on the Harley Web site. Is this a good frame from which to select your sample? Explain.

  Difference between confidence interval and significance leve

Please explain the difference between confidence interval and significance level and how they interact or "influence" each other.

  Find the confidence interval for population mean

Use the population standard deviation along with the sample mean, S, and find a 92% confidence interval for the population mean. Is the true population mean contained in this interval?

  Hypothesis testing of consumer preference

A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.

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