Median percentage of family income spent

Assignment Help Basic Statistics
Reference no: EM13965297

It is believed that a typical family spends 35% of its income on food and groceries. A sample of eight randomly selected families yielded the following data.

30 29 39 49 36 33 37 35

Test the hypothesis that the median percentage of family income spent for food and groceries is 35 against the alternative that it is less than 35. Use α = 0.05.

Reference no: EM13965297

Questions Cloud

Where do you get lead testing equipment : How do you test lead levels in water to give a quantitate result, not just whether lead is preasent or not? Where do you get lead testing equipment? Provide an equipment list, a list of chemicals and method. Note we have a colormeter at college.
How far can a porpoise be from the microphone : A microphone in the ocean is sensitive to sounds emitted by porpoises. To produce a usable signal, sound waves striking the microphone must have an intensity of 10.7 dB. If porpoises emit sound waves with a power of 0.0491 W, how far can a porpois..
Hypothesis that the median sat score : Test the hypothesis that the median SAT score is 1000 against the alternative that it is greater using α = 0.05. Use both the sign test and the Wilcoxon signed rank test. Explain if the conclusions are different.
How should the temperatures differ : A sheet of acetate paper is wrapped around a clear glass container. A thermometer is placed inside the glass container and held at a distance of 20 cm from a 100 W light bulb. Four different color acetate papers are used (red, green, blue, yellow)..
Median percentage of family income spent : Test the hypothesis that the median percentage of family income spent for food and groceries is 35 against the alternative that it is less than 35. Use α = 0.05.
Prepare journal entries showing the flow of costs : Prepare journal entries showing the flow of costs through the two processing departments during
Compute the equivalent units of materials labor and overhead : Compute the equivalent units of materials, labor, and overhead in the ending inventory for the month.
Describe how a business charitable contribution is treated : Be sure to provide an example of a requirement of a qualified charitable contribution. Also, provide an example of how the different rules might affect a decision to make a charitable contribution.
What are the wavelengths of light emitted by element x : Light emitted by Element X passes through a diffraction grating having 1200 lines/mm. The diffraction pattern is observed on a screen 75.0 cm behind the grating. Bright fringes are seen on the screen at distances of 56.2 cm, 65.9 cm and 93.5 cm fr..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing of hypothesis on hypertension data

Working at Company X is very stressful for any human being. Medecines Sans Frontires stepped in to see if there is any possible violations of human rights at the notorious Company X.

  Is the degree of certainty independent of credits earned

How certain they were about their choice of major. Research question: At α = .01, is the degree of certainty independent of credits earned?

  Let x and y be independent geometric distributions u minxy

let x and y be independent geometric distributions. u minxy v x - ya show that u and v are independentb find the

  Find a 90 percent confidence interval estimate of the

q1. suppose the monthly percentage changes in the tse 300 index from 1980 to 2000 are normally distributed with a

  Construct a 90 percent confidence interval for the true mean

Construct a 90 percent confidence interval for the true mean weight. (b) What sample size would be necessary to estimate the true weight with an error of � 0.03 grams with 90 percent confidence?

  Consider a random sample of size n from a bernoulli

consider a random sample of size n from a bernoulli distribution xi bin1p. for a uniform prior density p unif01 and

  Using the standard normal table find the proportions for

using the standard normal table find the proportions for the areas listed belowa. the area between z 0 and z 2.13b.

  Predict yearly sales for home depot

Determine the least squares equation. On the basis of this information, what are the estimated sales for 2005?

  At 20 can you support the marine biologists claimgt

a marine biologist claims that the mean length of mature female pink seaperch is different in fall and winter. a sample

  Determine the standard error of the mean

A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean?

  Briefly address the data analysis process

Describe and analyze your quantitative data and Briefly address the data analysis process.

  Calculate confidence interval for the number of admissions

Calculate the 95% confidence interval for the number of admissions at the hospitals based on your sample of 50 and explain what the confidence interval represents in the context of the problem.

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