Formulate and test the appropriate hypotheses

Assignment Help Basic Statistics

Reference no: EM1394976

One year ago, a survey of persons 18 and over showed that 45% answered YES, 40% answered NO, and 15% answered UNDECIDED. When asked the question "Do you think there should be harsher penalties for under age lawbreakers?" Recently a random sample of 1000 persons 18 and over was asked the same question. The response as follows..YES-500 NO--400 UNDECIDED 100.

At the 1% significance level, can it be concluded that the current distribution of responses differs from that of a year ago ?? Formulate and test the appropriate hypotheses. Use the critical value approach.

Reference no: EM1394976

Questions Cloud

Discuss the purpose of resazurin in reducing media : A microbiologist must culture a patient 's feces for in testinal (enteric) pathogens. Which of the following meida would he likely use. What is the purpose of resazurin in reducing media.

Determine why will significant differences be observed : A student analyzed and recorded two potassium emission spectra: 1) one using 0.10 M Potassium sulfate solution; 2) one using 0.10M Potassium nitrate solution;. Determine why will significant differences be observed in the two emission spectra.

Qualitative and quantitative data collection planning : You have been asked to help plan a data collection process to answer the two problem areas. Briefly outline a plan to: Collect qualitative data about how the current services are delivered

Determine the empirical formula of ether : A sample of 2.376 g ether (The compound known as diethyl ether [(C2H5)2O], commonly referred to as ether, contains carbon, hydrogen, and oxygen) was combusted in an oxygen rich environment to produce 2.887 g of H2O (g) and 5.643 g of CO2 (g).

Formulate and test the appropriate hypotheses : At the 1% significance level, can it be concluded that the current distribution of responses differs from that of a year ago ?? Formulate and test the appropriate hypotheses. Use the critical value approach.

Use a expression to determine the specific concentrations : using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L.c

Difference between a monopoly and an oligopoly : Explain the difference between a monopoly and an oligopoly, and a cartel and provide an example of a monopoly, an oligopoly, and a cartel.

Explain nine learning experience for creative development : Explain nine learning experience for 3 4 5 year old children. Three for each child. Each learning experience must promote physical.

Write the structure of the conjugate acid of base : Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..

User Account

All Pages