F1You are conducting a Goodness of Fit hypothesis test for the claim that the 4 categories occur withthe following frequencies:Ho PA= 0.3; PB = 0.2; Pc = 0.2; PD = 0.3Give all answers as decimals rounded to 3 places after the decimal point, if necessary.Complete the table:CategoryABCDObserved ExpectedFrequency Frequency262217What is the chi-square test-statistic for this data?Test Statistic: x²261 111,66433F2For a significance of level alpha = 0.05, what is the chi-square critical value?Critical Value: x² =What would be the decision of this hypothesis test?Reject HoO Fail to reject Ho=Remember to round all answers to 3 places after the decimal point, if necessary.80F3MAY000F4F5stvMacBook AirF6F7all

According to the given information in this question We need to find the value of the test statistic…

Answered: You are conducting a Goodness of Fit…

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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2. Which of the following are practical ways to assess normality of the residuals? Select all that apply a. Normal probability plots (the R command is qqnorm() b. Anderson-Darling tests. c. Shapiro-Wilks tests. d. Boxplots e. Just ask if they are normal, or, guess, because, who really cares?
Pls help with below homework.
A researcher is interested in assessing if there are differences in the average number of monthly religious event attendances across religious affiliations. Religious event attendance is measured as an interval-ratio variable: it is the number of events that each survey respondent reported attending in the previous month. Religious affiliation is measured as a nominal variable with the following categories: Protestant, Catholic, Jewish, Muslim, Hindu, Buddhist, other, and not religious. Which of the following hypothesis tests would be appropriate, given the types of variables presented? O Chi-square test O Two-sample difference-of-proportions z-test O ANOVA O One-sample difference-of-proportions z-test
The heart rates before and after running a race (in beats per minute) of a sample of four athletes are shown in the following table: Athlete Heart rate before Heart rate after 120 129 134 123 50 52 3 56 4 53 The aim of the experiment was to determine whether the population mean heart rate after a race is more than 70 beats per minute greater than before the race. 1.4 Use the appropriate hypotheses test to determine whether the population mean heart rate after a race is more than 70 beats per minute greater than before the race. Use a = 0.05 and also find the approximate p-value. Also mention any assumptions made. Using your answer in 1.4), comment on whether you are subject to a Type I or a Type II error. Describe this error in the context of this problem. Estimate the difference in the mean heart rate by calculating a 90% confidence intervai for the data. Use this result to determine whether the population mean heart rate after a race is more than 70 beats per minute greater than…
Which of the following is a two-tailed test? O Ho: µ = 89, H1: u 84 O Ho: µ = 54, H1: u # 54
The researchers used a 3-item 7-point scale to measure consumers' attitudes toward the company. The researchers most likely used the .as the indicator of the scale's quality/reliability. none of the above/below O coefficient alpha coefficient beta coefficient p
Which of the following is an accurate definition for the power of a statistic test?
Q.19 Urgent question! I will thumbs up! In the final answer that you circle, please also include the brief approach / formula you used under "Answer". Thanks!
One fair coin is tossed 25 times, let X be the number of getting heads out of those 25 tossing experiments. What is the mean and variance of X? 12 and 6.25 12.5 and 6.25 10 and 2.5 12.5 and 2.5
A high school counselor asks a college-bound student to complete a Readiness to Leave Home questionnaire. Among high schoolers, the questionnaire has a mean of 38.61 and a standard deviation of 9.05. The student earns a raw score of 21. Type your response to the following questions directly in Moodle: What is the student’s z score? (you do not need to show the calculation) In 1-2 sentences, what does the Z score tell us about the student's readiness to leave home? (show that you know the definition of a Z score & can apply it to this example) How would you recommend that the guidance counselor work with the student? (1 sentence)
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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)

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