Computing two-tailed test and p-value

Assignment Help Basic Statistics
Reference no: EM13111236

The top food snacks consumed by adults aged 18-54 are gum, chocolate candy, fresh fruit, potato chips, breath mints/candy, Ice cream, nuts, cookies, bars, yogurt, and crackers. Out of a random sample of 25 men, 15 ranked fresh fruit in their top five snack choices. Out of a random sample of 32 women, 22 ranked fresh fruit in their top five sack choices. Is there a difference in the proportion of men and women who rank fresh fruit in their top five list of snacks?

(a)State the hypotheses and a decision rule for α₌.10.

(b)Calculate the sample proportions.

(c) Find the test statistic and its p-value. What is your conclusion?

(d) Is normality assured?

Reference no: EM13111236

Questions Cloud

Evaluating an internally implemented innovative technology : Your company, a large online high school, is planning to implement a new innovative social networking technology for their students.
What do organization consider when trying to chose : Illustrate what do organizations consider when trying to chose inter organizational strategies in order to minimize transaction costs and bureaucratic costs?"
Discuss other strategies for improving water quality : Many of the major waterways in the Tennessee River system are dam-controlled. That means the water level of each section of river may fluctuate significantly at different times of the year. This makes the deployment of Reef Balls in the Tennessee ..
Explain positive defence to the negligence claim : A water pipe bursts flooding a Small Business Company utility room as well as tripping the circuit breakers on a panel in the room. Small Business contacts Tom a licensed electrocution with five years of experience
Computing two-tailed test and p-value : The top food snacks consumed by adults aged 18-54 are gum, chocolate candy, fresh fruit, potato chips, breath mints/candy, Ice cream, nuts, cookies, bars, yogurt, and crackers.
Did world bank and other international donor act responsible : Did the World Bank and other international donors act responsibly and ethically in constraining their humanitarian assistance? Who has the responsibility for the health care of the Latin American people?
Test of hypothesis for dependent samples : Blockbuster is testing a new policy of waiving all late fees on DVD rentals using a sample of 10 randomly chosen customers.
How might these hydrogen bonds alter the ability : Water makes hydrogen bonds with proteins. How might these hydrogen bonds alter the ability of a protein to make conformational changes in water versus in gas phase.
Explain fixed ordering costs : Presume that Latest Fashionable Clothes Inc. uses 1,440,000 yards of material each year. Further accept that Latest Fashionable can order the material at a cost of $2 per yard plus fixed ordering costs of $100 per order

Reviews

Write a Review

Basic Statistics Questions & Answers

  Waiting line models and simulation

It seems that simulation could handle any situation or study. But is that always true? Discuss instances in which a simulation would be important and useful, and then a situation in which a simulation would not be appropriate.

  Probabilities for failing test

A metropolitan school system consists of three school districts-norths, south, central. The north district contains 25% of all students, the south district contains 40%, and the central district contains 35%.

  Calculating the suitable mean response time

Calculate the suitable mean response time from both proposed locations and find out which proposed site must be selected for the new emergency facility.

  Confidence interval problem-cholesterol concentration

The cholesterol concentration in the yolks of each of a sample of 22 randomly selected eggs laid by free range chickens were found to have a mean value of 9.38 mg/g of yolk and a standard deviation of 1.62 mg/g.

  Find out the number of chicks we expect that will hatch

Rhode Island Red Chickens the incubation time for Rhode Island Red chicks is normally distributed to find out the number of chicks we expect that will hatch.

  Probability related to electricity consumption

Commonwealth Edison wants to identify its heaviest users, which are those that are in the top 6% of electric consumption. How many kilowatt hours in January would qualify for the heavy user classification?

  Probability notation

What is a probability notation? What are the advantages and disadvantages of using a probability notation? How does probability notation aid in decision making?

  Information about least-squares regression

A nationwide standardized test taken by high school juniors and seniors may or may not measure academic potential, but we can nonetheless examine the relationship bewteen scores on such test and performance in college.

  Probability of a randomly selected fertilized egg hatches

What is the probability that a randomly selected fertilized egg hatches in less than 19 days? (Round to four decimal places as needed).

  Distribution-approximately normal

The mean maximum oxygen uptake for elite athletes has been found to be 80 with a standard deviation of 8.1. Assume that the distribution is approximately normal.

  What are the confidence limits for the proportion

Of the 500 surveyed, 350 said they would vote for the Democratic incumbent. Using the 0.99 confidence coefficient, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?

  Test using independent sample t-test

Is the school district correct in assuming the girls are equal in performance to boys. They are 95% sure their assumption is correct.

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