You are conducting a multinomial hypothesis test (a = 0.05) for the claim that all 5 categories are equallylikely to be selected. Complete the table. Note: Expected frequency is E = n. p.CategoryObserved ExpectedFrequency FrequencyA23B2222C2121D14E13Report all answers accurate to three decimal places. But retain unrounded numbers for futurecalculations.What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, andremember to use the unrounded Pearson residuals in your calculations.)What are the degrees of freedom for this test?d.f.-What is the p-value for this sample? (Report answer accurate to four decimal places.)p-valueIs the p-value less than a?OyesOnoThis test statistic leads to a decision to...O reject the nullO accept the nullO fail to reject the nullO accept the alternativeAs such, the final conclusion is that...O There is sufficient evidence to warrant rejection of the claim that all 5 categories are equally likelyto be selected.

The question is about categorical data analysis.Given :

Answered: You are conducting a multinomial…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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According to a report on consumer fraud and identity theft, 20% of all complaints for a year were for identity theft. In that year, Oregon had 714 complaints of identity theft out of 3449 consumer complaints. Does this data provide enough evidence to show that Oregon had a higher proportion of identity theft than 20%? Test at the 5% level. State the hypotheses. Họ: P ?v Ha: P ? Calculate the test statistic. Round to four decimal places. Calculate the standardized test statistic. Round to three decimal places. z = Find the p-value. Round to four decimal places. p-value = State your decision. O Since the p-value is less than .05, reject Ho. O Since the p-value is greater than .05, fail to reject Ho. O Since the p-value is greater than .05, reject Ho- O Since the p-value is less than .05, fail to reject Ho- Interpret the results. O At the 5% level of significance, there is not enough evidence to show that the proportion of complaints due to identity theft in Oregon is less than 20%. O At…
A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if golf balls conform to the standard, a random sample of golf balls was selected. Their diameters are shown in the accompanying data table. Do the golf balls conform to the standards? Use the a= 0.05 level of significance. Click the icon to view the data table. - X Data Table Golf Ball Diameter (inches) First determine the appropriate hypotheses. 1.677 1.681 Ho ▼ 1.678 1.686 ▼ H₁ ▼ 1.684 1.673 (Type integers or decimals. Do not round.) 1.682 1.675 Help me solve this View an example H Type here to search O 3 4 F T Get more Bi a & 6 B 7 U hp a 1.682 1.685 1.684 1.685 Print O 9 Done (?) O 95°F Mostly sunny ^ ver 1:43 PM 6/18/2022
Directions: Answer the following. 1. What are the steps in testing hypothesis for the population mean? 2. In a right-tailed test, what will you da if the computed value is greater than the critical value? 3. In a left-tailed test, what will you do if the computed value is less than the critical value? 4. What does it mean if you reject the null hypothesis? 5. What do you mean if you fail to reject the null hypothesis?
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
Consider a two-tailed test with a level of confidence of 84.90%. The z-value is _______. 2.88 1.44 1 2.11
Choose the appropriate statistical test. When computing, be sure to round each answer as indicated. A dentist wonders if depression affects ratings of tooth pain. In the general population, using a scale of 1-10 with higher values indicating more pain, the average pain rating for patients with toothaches is 6.8. A sample of 30 patients that show high levels of depression have an average pain rating of 7.1 (variance 0.8). What should the dentist determine? 1. Calculate the estimated standard error. (round to 3 decimals). [st.error] 2. What is thet-obtained? (round to 3 decimals). 3. What is the t-cv? (exact value) 4. What is your conclusion? Only type "Reject" or Retain"
1J,000 Source: Chronicle of Higher Education. 17. Medical Operations The director of a medical hospital feels that her surgeons perform fewer operations per year than the national average of 211. She selected a random sample of 15 surgeons and found that the mean number of operations they performed was 208.8. The standard deviation of the sample was 3.8. Is there enough evidence to support the director's feelings at a= 0.10? Would the null hypothesis be rejected at a = 0.01? 18. Cell Phone Call Lengths The average local cell phone call length was reported to be 2.27 minutes. A random sample of 20 phone calls showed an average of 2.98 minutes in length with a standard deviation of 0.98 minute. At a = 0.05, can it be concluded that the average differs from the population average? %3D World Almanac.
Question3: It is known that the population wellbeing level follows a normal distribution. The wellbeing levels of 9 male is shown below. 2 | 247 3 | 34569 4 | 7 Use the sample data to calculate the 95% confidence interval Would we reject the hypothesis that the male has a statistically significant different wellbeing level from female at a 1% significance level? (hint: use the data above to conduct a statistic test, specify 4 steps)
Suppose you are given the following information from a sample of data: variance is 484 the number of observations in the sample is 65 for a confidence level of 96%, calculate the margin of error
A researcher is interested in the impact of joining a weight loss program in the past 12 months on the individuals weight loss. The analysis was restricted to people aged 16 and older who answered yes to the question "During the past 12 months, have you tried to lose weight?" about 5% of the sample has joined a weight loss program in the past year. 1. The researcher has decided to use propensity score analysis. What is be the appropriate estimator this analysis: Average treatment effect, Average treatment effect on the treated or average treatment effect on the untreated? Provide a justification for your choice
Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96

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