Test the hypothesis that students

Assignment Help Basic Statistics
Reference no: EM131880899

1. An alien empire is considering taking over planet Earth, but they will only do so if the portion of rebellious humans is less than 10%. They abducted a random sample of 400 humans, performed special psychological tests, and found that 14% of the sample are rebellious. Perform a hypothesis test at a significance level of , to test the claim that more than 10% of humans are rebellious.

2. Suppose we measured the IQ scores of the 42 students in NURS561, and calculated a mean IQ score of 108.2, and a standard deviation of 6.27. If we make no assumptions about the population mean and standard deviation of IQ scores, test the hypothesis that students in NURS561 have a mean IQ greater than 100. Use a significance level of.

Reference no: EM131880899

Questions Cloud

Develop interactive program to read information from a file : Develop an interactive program to read information from a text file, gather the information from the file to produce customer invoice.
Firm value of operation : Firm's Value of operation is $300 million. Firm has 10million shares of stocks outstanding. What is the stock price per share?
Describe the most notable physical changes : Describe the most notable physical changes that take place during adolescence for both boys and girls
What is the return on the portfolio : The return on the market is 14.8 percent and there are no unsystematic surprises in the returns. What is the return on the portfolio?
Test the hypothesis that students : If we make no assumptions about the population mean and standard deviation of IQ scores, test the hypothesis that students
What is your evaluation of the straight line method : What issue/s arise in the measurement and/or disclosure for depreciation of assets and what is your evaluation of the straight line method?
How much would it be willing to lend business owner : A small business owner visits his bank to ask for a loan. how much would it be willing to lend the business owner?
Total cholesterol levels of a sample of men : The total cholesterol levels of a sample of men aged? 35-44 are normally distributed with a mean of 219 milligrams per deciliter and a standard deviation
What must have been the salary expense for the year : If the beginning balance in Salaries Payable was $7,700, the ending balance was $8,500, and during the year the cash paid for salaries.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute the average cost for 40 shirts

Compute the average cost for 40 shirts, 100 shirts, 200 shirts, and 400 shirts - Draw the long-run average-cost curve for 40 to 400 shirts per day.

  Carry out the model utility test using a significance level

The article cited in Exercise 49 of Chapter 7 gave summary information on a regression in which the dependent variable was power output (W) in a simulated 200-m race and the predictors were x1 = arm girth (cm), x2 = excess post-exercise oxygen cons..

  Analysis of qualitative research data

Analysis of qualitative research data. In this assignment, you will consider the ethical issues of qualitative research and use SPSS to analyze some sample data.

  What is the probability that the sample mean exceeds $37000

For the total population of a large southern city, mean family income is $34000, with a standard deviation (for the population) of $5000.

  Probability of rain and a cancellation

Probabilty of rain is .30. Probabilty of game being cancelled, given it raining, is .50. Whats the probability of rain and a cancellation?

  Discuss about the marginal cash flows

Marginal Cash Flows. A co-worker claims that looking at all this marginal this and incremental that is just a bunch of nonsense and states.

  What is the probability that the voter is a democrat

In a certain county, 27% of registered voters are Republicans, 20% are Democrats, and the rest are Independents. 34% of Republicans oppose increased military.

  Lower limit of confidence interval

The lower limit for a 95% confidence interval for the population proportion if a sample of size 200 had a 40 success is.

  Find probability that the sample mean will exceed a value

If a simple random sample of 50 players was taken, what is the probability that the sample mean will exceed $210,000?

  Null and alternative hypothesis-critical values

Identifying H0and Hr in ex 5-12 , examine the given statement , then express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.

  The claim is the proportion of peas with yellow pods is

the claim is the proportion of peas with yellow pods is equal to 0.25 or 25. the sample statistics from one experiment

  Find an article on a web site that describes the results of

article i chose httpwww.ncbi.nlm.nih.govpmcarticlespmc1516247pdfcalifmed00057-0028.pdffind an article on a web site

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