Why to use the chi-square statistic

Assignment Help Basic Statistics
Reference no: EM13134908

Provide an explanation of a chi-square test. Why would you use the chi-square statistic? What type of data is used with chi square analysis? What are the nonparametric tests that correspond to each type of parametric test in Week 1 and Week 2?

Reference no: EM13134908

Questions Cloud

Calculate kc : When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
Calculate the ph : A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.
Collusion and cheating : For each of the entities identified, design tables and identify the possible candidate keys, the primary key, a probable foreign key, and potential secondary keys.
Automating the insertion method : A manual insertion process takes 30 minutes and eight pounds of material to produce a product. Automating the insertion process requires 15 minutes of machine time and 7.5 pounds of material. The cost per labor hour is $12, the cost per machine ho..
Why to use the chi-square statistic : Provide an explanation of a chi-square test. Why would you use the chi-square statistic? What type of data is used with chi square analysis?
Direct-material price variance problem : Actual cost of direct materials purchased and used, $176,000 Unfavorable direct-material quantity variance, $9,400The direct-material price variance is:
Probability selected admission charge is between values : If the distribution of movie admission charges is approximately normal with a standard deviation of $ 0.89 . What is the probability that a randomly selected admission charge is between 6 and 8.2 dollars?
What is the molecular formula of compound : A compound composed of sulfur and fluorine is found to contain 25.24% by mass of sulfur. If the molar mass of the compound is 254.11 g/mol, what is its molecular formula?
Y grad school admission essay. : y grad school admission essay. Choose one of the following (about 750 words): 1. Tell us about a time when you tried to reach a goal or complete a task that was challenging, difficult, or frustrating. What did you learn from this experience?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability related to large toxic clean up project

Workers at a large toxic clean up project are concerned that their white blood cell counts may have been reduced. Let x be a random variable that represents white blood cell count per cubic millimeter of whole blood in a healthy adult.

  Examining frequency distribution

The frequency distribution below shows the distribution for suspended solid concentration (in PPM) in river water of 50 different waters collected in September 2011.

  Creating confidence interval for population mean

Create a 95% confidence interval for population mean. Is it sensible that population mean is 28 weeks? give explanation for your answer.

  Traffic light patterns at a busy intersection

A study is conducted to determine if the traffic light patterns at a busy intersection need to be adjusted to help the flow of traffic. Data on the volume of traffic and the traffic patterns during different times of day are recorded.

  Hypothesis testing in industry of law

Explain how hypothesis testing may be applicable in the industry of law. Provide a specific example and set up the null and alternative hypothesis?

  Information about hypothesis-five step method z test

For the following independent random samples, use the z-test and the 0.01 level of significance in testing Ho:u1 = u2 versus H1:u1 = u2.

  Researcher analyzed the data using what t test

Scores ranged from 0 to 40 with higher scores reflecting greater computer anxiety. This variable was measured on the interval scale. The researcher analyzed the data using what t test?

  Statistical evidence regarding effectiveness of diet

Stating assumptions on which your arguments and conclusions are based, sum up the statistical evidence regarding effectiveness of this diet.

  Procedure of hypothesis testing

Suppose the sample variance for 3 parts turns out to be S2 = .0005. Use a=.05 to test whether the population variance specification is being violated.

  Determine percentage increase in real salary

Determine the percentage increase in his real (inflation-adjusted) salary over the last three years. Which of the 4 methods of data collection was involved when he used the Consumer Price Index?

  Defective syringes in a random sample

Make a histogram showing the probabilties of r = 0, 1, 2, 3, 4, 5, 6, 7 or 8 defective syringes in a random sample of 8 syringes.

  Estimation of standard error

Compute the standard error of estimate, and interpret its meaning.

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